Where we are now. The Moon Chapters 8.2, 9. Topography. Outline

Size: px
Start display at page:

Download "Where we are now. The Moon Chapters 8.2, 9. Topography. Outline"

Transcription

1 Where we are now Introduction Little things - comets, asteroids, KBOs Slightly larger things - Moon Larger still - Terrestrial planets Really large - Jovian planets Jovian moons + Pluto Extrasolar Planets The Moon Chapters 8.2, 9 Little Erosion Provides an example of the frequency/effects of impacts in the early solar system (note: not all satellites show evidence of cratering) The moon is not primitive; it is more like the planets than the asteroids Outline Topography Topography & Albedo Highland & Maria Lunar Craters Crater Density & Age Modes of Evolution Origin of the Moon Sunlight Topography: precise detailed study of the surface features of a region Topographic detail of the moon is easier to see when the Sun is low in the lunar sky

2 Albedo Surface Features: Highlands & Maria Sunlight Highlands: bright (15% reflectivity) & rugged regions comprised of craters of varying sizes. These regions tend to be at high elevations Maria: darker (8% reflectivity) & smoother regions with relatively few craters. -mare (singular): Latin for sea Albedo is easier to determine when the Sun is high in the lunar sky (full moon) Maria & Highlands Lunar Surface Highlands Maria Crater: bowl-like depressions found on the surface (note crater: Greek word for bowl) The highlands have many craters The maria don t have many craters (younger surface; not much time for craters to have accumulated)

3 Craters on the Moon Formation of a Crater Penetrates 2 3 times its own diameter before stopping Ejecta material = several hundred times the impactor mass are due to impacts, not volcanism heat contributes to clearing out the crater Lunar Craters Ice at the Moon s Poles Diameter Of Crater 1/5 diameter of crater Sunlight the tilt of the Moon s rotational axis with respect to the plane of the eclipse is ~ 1.5 degrees. Thus the bottoms of polar craters can continuously be in shadow. Source of ice - meteorites and comets.

4 Missions to the Moon Astronauts on the Moon (July 20, 1969 December 14, 1972) Scientific benefits 1) Rock samples for composition/age dating 2) Apollo Lunar Surface Experiments Package (ALSEP); for monitoring the solar winds & moonquakes 3) Maps of surface made in orbit Crater density & Age Impact Rate vs. Time High initial impact rate 1) Due to fragmentation of a nearby asteroid, or 2) Due to early stages of planetary accretion 3) Due to planetary migration Note: Number of NEAs ~ lunar impact rates deduced for mare crater counts

5 Crater Counts: Moon s surface Crater Counts: Moon s surface North Impact Craters North Impact Craters South South Distant past Southern Lava flow! Crater Counts: Moon s surface Crater Counts: Moon s surface North Impact Craters Highlands Impact Craters South Maria Some Later Time Now

6 Maria: Regions of Recent Maria: Regions of Recent Moon s surface Lava Maria: Regions of Recent Maria: Regions of Recent

7 Maria: Regions of Recent Maria: Regions of Recent Lava later cools to form Maria Modes of Evolution Impact History Catastrophism: sudden or violent event that substantially modifies the landscape Uniformitarianism: slow, steady modifications occurring over long time scales Highlands - Impacts occurring mostly billions years ago - Rock composition: igneous silicate rocks (mineral oxides of silicon, calcium, magnesium) - Breccias: recemented pieces Basins (Maria) - Last great impacts occurred billion years ago - Areas of recent lava flow

8 The Moon: Orbital Periods Some other properties (cont) Density: the Moon s density is 3.3 g cm -3 Sidereal month (27.3 days): the period of the Moon s revolution about the Earth with respect to the stars Synodic month (29.5 days): the period of revolution of the Moon with respect to the Sun - By comparison, the Earth s density is 5.5 g cm -3 - The Moon s interior cannot be dense Atmosphere - Negligible: hydrogen & helium from the solar wind - Why doesn t the Moon have an atmosphere? Low gravity & high surface temperature Origin of the Moon The Moon s density is similar to that of the Earth s crust, but the composition is different Formation of the Moon: Possible Explanation Orpheus Daughter Theory: The molten Earth split to form the Moon (Problem: doesn t explain the difference in composition) Sister Theory: The Earth & Moon formed near each other (Problem: doesn t explain the difference in composition) Capture Theory: The Moon formed elsewhere & was captured by the Earth (Problem: doesn t explain how the Moon achieved such a stable orbit) Young Earth Differentiation Moon

Lecture 19: The Moon & Mercury. The Moon & Mercury. The Moon & Mercury

Lecture 19: The Moon & Mercury. The Moon & Mercury. The Moon & Mercury Lecture 19: The Moon & Mercury The Moon & Mercury The Moon and Mercury are similar in some ways They both have: Heavily cratered Dark colored surfaces No atmosphere No water They also have some interesting

More information

10. Our Barren Moon. Moon Data (Table 10-1) Moon Data: Numbers. Moon Data: Special Features 1. The Moon As Seen From Earth

10. Our Barren Moon. Moon Data (Table 10-1) Moon Data: Numbers. Moon Data: Special Features 1. The Moon As Seen From Earth 10. Our Barren Moon Lunar plains & craters Manned lunar exploration The lunar interior The Moon s geologic history The formation of the Moon Moon Data (Table 10-1) Moon Data: Numbers Diameter: 3,476.km

More information

Astronomy 1 Fall 2016

Astronomy 1 Fall 2016 Astronomy 1 Fall 2016 Announcements: 1. Midterm exam on Thursday (in this room) 2. Oct 21 st - 26 th : Sections replaced by evening observing) Lecture 8: October 18, 2016 Previously on Astro 1 Solar System

More information

Importance of Solar System Objects discussed thus far. Interiors of Terrestrial Planets. The Terrestrial Planets

Importance of Solar System Objects discussed thus far. Interiors of Terrestrial Planets. The Terrestrial Planets Importance of Solar System Objects discussed thus far Interiors of Terrestrial Planets Chapter 9 Sun: Major source of heat for the surfaces of planets Asteroids: Provide possible insight to the composition

More information

Chapter 17. Chapter 17

Chapter 17. Chapter 17 Chapter 17 Moons and Other Solar System Objects Sections 17.1-17.2 Chapter 17 Parallax http://www.youtube.com/watc h?v=xuqaildqpww The Moon July 20, 1969 humans first landed on moon What was the first

More information

LESSON 2 THE EARTH-SUN-MOON SYSTEM. Chapter 8 Astronomy

LESSON 2 THE EARTH-SUN-MOON SYSTEM. Chapter 8 Astronomy LESSON 2 THE EARTH-SUN-MOON SYSTEM Chapter 8 Astronomy OBJECTIVES Investigate how the interaction of Earth, the Moon, and the Sun causes lunar phases. Describe conditions that produce lunar and solar eclipses.

More information

Chapter 9: The Moon, Earth s Satellite

Chapter 9: The Moon, Earth s Satellite Moon Visuals Moon11-19-02b.jpg Limb5-11-2003.jpg moon_crater.jpg simple_moon_spin.avi Chapter 9: The Moon, Earth s Satellite Vital Statistics Orbital distance 384,400 km Orbital period 27.32 days Sidereal

More information

1 Describe the structure of the moon 2. Describe its surface features 3. Summarize the hypothesis of moon formation

1 Describe the structure of the moon 2. Describe its surface features 3. Summarize the hypothesis of moon formation Loulousis 1 Describe the structure of the moon 2. Describe its surface features 3. Summarize the hypothesis of moon formation moon -a body that revolves around a planet and that has less mass than the

More information

Neap Tide. Spring Tide. Maximum Tidal Bulge

Neap Tide. Spring Tide. Maximum Tidal Bulge Earth and Moon General Physical Science Chapter 17 Moons and Small Solar System Bodies Features of the Earth s Moon Second-brightest object in the sky Average distance 240,000 mi 380,000 km Features can

More information

Star groups 88 recognized Stars names by brightness in them. Bright star to. Orion is Sirius

Star groups 88 recognized Stars names by brightness in them. Bright star to. Orion is Sirius Star groups 88 recognized Stars names by brightness in them Orion: Greek Hunter White Tiger: Chinese http://borghetto.astrofili.org/costellazioni/costellazioni.htm Bright star to lower left of Orion is

More information

The Moon. A look at our nearest neighbor in Space! Free powerpoints at

The Moon. A look at our nearest neighbor in Space! Free powerpoints at The Moon A look at our nearest neighbor in Space! Free powerpoints at http://www.worldofteaching.com What is the Moon? A natural satellite One of more than 96 moons in our Solar System The only moon of

More information

Mercury = Hermes Mythology. Planet Mercury, Element, Mercredi God of Commerce, Messenger God, guide to Hades Winged sandals and staff

Mercury = Hermes Mythology. Planet Mercury, Element, Mercredi God of Commerce, Messenger God, guide to Hades Winged sandals and staff Mercury = Hermes Mythology Planet Mercury, Element, Mercredi God of Commerce, Messenger God, guide to Hades Winged sandals and staff Mercury s Orbit Mercury never seen more than 28 from the sun Revolves/orbits

More information

Chapter: The Earth-Moon-Sun System

Chapter: The Earth-Moon-Sun System Chapter 7 Table of Contents Chapter: The Earth-Moon-Sun System Section 1: Earth in Space Section 2: Time and Seasons Section 3: Earth s Moon 1 Earth in Space Earth s Size and Shape Ancient Measurements

More information

1/3/12. Chapter: The Earth-Moon-Sun System. Ancient Measurements. Earth s Size and Shape. Ancient Measurements. Ancient Measurements

1/3/12. Chapter: The Earth-Moon-Sun System. Ancient Measurements. Earth s Size and Shape. Ancient Measurements. Ancient Measurements // Table of Contents Chapter: The Earth-Moon-Sun System Section : Chapter 7 Section : Section : Earth s Size and Shape Ancient Measurements First, no matter where you are on Earth, objects fall straight

More information

ASTRONOMY CURRICULUM Unit 1: Introduction to Astronomy

ASTRONOMY CURRICULUM Unit 1: Introduction to Astronomy Chariho Regional School District - Science Curriculum September, 2016 ASTRONOMY CURRICULUM Unit 1: Introduction to Astronomy OVERVIEW Summary Students will be introduced to the overarching concept of astronomy.

More information

Lunar Geology ASTR 2120 Sarazin

Lunar Geology ASTR 2120 Sarazin Lunar Geology ASTR 2120 Sarazin Interior of the Moon Density low (3.3 gm/cc), very little iron No iron core Very small heat flow out of interior Little radioactive heating No magnetic field No molten iron

More information

The Sun and Planets Lecture Notes 5. The Moon

The Sun and Planets Lecture Notes 5. The Moon The Sun and Planets Lecture Notes 5. Spring Semester 2019 Prof Dr Ravit Helled The Moon Definitions Escape Velocity Escape velocity is the minimum speed needed for an object to escape a massive body. The

More information

Inner Planets (Part II)

Inner Planets (Part II) Inner Planets (Part II) Sept. 18, 2002 1) Atmospheres 2) Greenhouse Effect 3) Mercury 4) Venus 5) Mars 6) Moon Announcements Due to technical difficulties, Monday s quiz doesn t count An extra credit problem

More information

The Moon. Tidal Coupling Surface Features Impact Cratering Moon Rocks History and Origin of the Moon

The Moon. Tidal Coupling Surface Features Impact Cratering Moon Rocks History and Origin of the Moon The Moon Tidal Coupling Surface Features Impact Cratering Moon Rocks History and Origin of the Moon Earth Moon Semi-major Axis 1 A.U. 384 x 10 3 km Inclination 0 Orbital period 1.000 tropical year 27.32

More information

After you read this section, you should be able to answer these questions:

After you read this section, you should be able to answer these questions: CHAPTER 16 4 Moons SECTION Our Solar System California Science Standards 8.2.g, 8.4.d, 8.4.e BEFORE YOU READ After you read this section, you should be able to answer these questions: How did Earth s moon

More information

Moon and Mercury 3/8/07

Moon and Mercury 3/8/07 The Reading Assignment Chapter 12 Announcements 4 th homework due March 20 (first class after spring break) Reminder about term paper due April 17. Next study-group session is Monday, March 19, from 10:30AM-12:00Noon

More information

The Planets, Asteroids, Moons, etc.

The Planets, Asteroids, Moons, etc. DATE DUE: Ms. Terry J. Boroughs Geology 305 Name: Section: The Planets, Asteroids, Moons, etc. Instructions: Read each question carefully before selecting the BEST answer or option. Use GEOLOGIC vocabulary

More information

Exercise 1: Earth s Moon

Exercise 1: Earth s Moon PHYS1014 Physical Science Summer 2013 Professor Kenny L. Tapp Exercise 1: Earth s Moon Complete and submit this packet, securely stapled, at the beginning of Exam 1. PART I --- Online Video Lecture from

More information

Chapter Introduction Lesson 1 Earth s Motion Lesson 2 Earth s Moon Lesson 3 Eclipses and Tides Chapter Wrap-Up. Jason Reed/Photodisc/Getty Images

Chapter Introduction Lesson 1 Earth s Motion Lesson 2 Earth s Moon Lesson 3 Eclipses and Tides Chapter Wrap-Up. Jason Reed/Photodisc/Getty Images Chapter Introduction Lesson 1 Earth s Motion Lesson 2 Earth s Moon Lesson 3 Eclipses and Tides Chapter Wrap-Up Jason Reed/Photodisc/Getty Images What natural phenomena do the motions of Earth and the Moon

More information

Name Date Class. Earth in Space

Name Date Class. Earth in Space Chapter Review Earth in Space Part A. Vocabulary Review Directions: Select the term from the following list that matches each description. axis orbit rotation revolution equinox solstice lunar eclipse

More information

22. What came out of the cracks or fissures?

22. What came out of the cracks or fissures? PACKET #6 EARTH S MOON Reading Guide: Chapter 28.1 (read text pages 719-724) 1b. Know the evidence from Earth and moon rocks indicates that the solar system was formed from a nebular cloud of dust and

More information

Our Barren Moon. Chapter Ten. Guiding Questions

Our Barren Moon. Chapter Ten. Guiding Questions Our Barren Moon Chapter Ten Guiding Questions 1. Is the Moon completely covered with craters? 2. Has there been any exploration of the Moon since the Apollo program in the 1970s? 3. Does the Moon s interior

More information

The Sun Earth Moon System

The Sun Earth Moon System The Sun Earth Moon System Planet Earth Shape Spherical Oval shaped West to east* Rotation Fifteen degree /hour* Rotation is just less than 24 hours Magnetic field North and south magnetic poles Protect

More information

Lecture 11 Earth s Moon January 6d, 2014

Lecture 11 Earth s Moon January 6d, 2014 1 Lecture 11 Earth s Moon January 6d, 2014 2 Moon and Earth to Scale Distance: a = 385,000 km ~ 60R Eccentricity: e = 0.055 Galileo Spacecraft Dec. 1992 3 [Review question] Eclipses do not occur each month

More information

9/15/16. Guiding Questions. Our Barren Moon. The Moon s Orbit

9/15/16. Guiding Questions. Our Barren Moon. The Moon s Orbit Our Barren Moon Guiding Questions 1. Is the Moon completely covered with craters? 2. Has there been any exploration of the Moon since the Apollo program in the 1970s? 3. Does the Moon s interior have a

More information

The Moon: Earth s Closest Neighbor. 238,866 miles away

The Moon: Earth s Closest Neighbor. 238,866 miles away The Moon: Earth s Closest Neighbor 238,866 miles away The same age as Earth. It is believed that the moon is 4.5 billion years old. Moon s Formation One theory The Capture Theory The moon formed elsewhere

More information

Surface Features. Chapter 7. Rays. Craters. Origin of Lunar Surface Features. Rilles 5/10/12. The Moon

Surface Features. Chapter 7. Rays. Craters. Origin of Lunar Surface Features. Rilles 5/10/12. The Moon Chapter 7 The Copyright (c) The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Surface divided into two major regions Highlands Bright rugged areas composed mainly of anorthosite

More information

Solar System. The Jovian Satellites. Regular vs. Irregular Satellites. Jovian satellites reside beyond the frost line

Solar System. The Jovian Satellites. Regular vs. Irregular Satellites. Jovian satellites reside beyond the frost line The Jovian Satellites Satellites are common around Jovian planets Some are as large as Mercury, & thus are like planets Some have atmospheres Discovery of the first Jovian satellites In 1610, Galileo discovered

More information

The Moon & Mercury: Dead Worlds

The Moon & Mercury: Dead Worlds The Moon & Mercury: Dead Worlds There are many similarities between the Moon and Mercury, and some major differences we ll concentrate mostly on the Moon. Appearance of the Moon from the Earth We ve already

More information

Chapter 22 Exam Study Guide

Chapter 22 Exam Study Guide Chapter 22 Exam Study Guide Name: Hour: Date: Multiple Choice Identify the choice that best completes the statement or answers the question. Write the letter that best answers the question or completes

More information

9. Moon, Mercury, Venus

9. Moon, Mercury, Venus 9. Moon, Mercury, Venus All the heavier elements were manufactured by stars later, either by thermonuclear fusion reactions deep in their interiors or by the violent explosions that mark the end of massive

More information

Astronomy, PART 2. Vocabulary. A. Universe - Our Milky Way Galaxy is one of of galaxies in an expanding universe.

Astronomy, PART 2. Vocabulary. A. Universe - Our Milky Way Galaxy is one of of galaxies in an expanding universe. Astronomy, PART 2 Vocabulary Aphelion Asteroid Astronomical Unit Comet Constellation Crater Eccentricity Eclipse Equinox Geocentric model Gravitation Heliocentric model Inertia Jovian Perihelion Revolution

More information

d. Galileo Galilei i. Heard about lenses being used to magnify objects 1. created his own telescopes to 30 power not the inventor! 2. looked

d. Galileo Galilei i. Heard about lenses being used to magnify objects 1. created his own telescopes to 30 power not the inventor! 2. looked 1. Age of Reason a. Nicolaus Copernicus 1473-1543 i. Commenteriolus manuscript circulated from 1512 1. unpublished 2. Heliocentric hypothesis ii. On the Revolutions of the Planets published year of his

More information

Agenda. Chapter 7. The Earth s Moon. The Moon. Surface Features. Magnificent Desolation. The Moon

Agenda. Chapter 7. The Earth s Moon. The Moon. Surface Features. Magnificent Desolation. The Moon Chapter 7 The 1 Agenda Announce: Project Part II due Tue No class next Thursday...Tgiving break! No class 12/14 (last day) Spectral Lines Lab due Pass Back Test 2 Discuss grades NYT article on gamma ray

More information

Astronomy. physics.wm.edu/~hancock/171/ A. Dayle Hancock. Small 239. Office hours: MTWR 10-11am

Astronomy.  physics.wm.edu/~hancock/171/ A. Dayle Hancock. Small 239. Office hours: MTWR 10-11am Astronomy A. Dayle Hancock adhancock@wm.edu Small 239 Office hours: MTWR 10-11am The Moon The Moon's surface Humans on the Moon The Moon's interior The difference between Moon and Earth rocks The collision

More information

Impact Age Dating. ASTRO 202 Lecture Thursday, February 14, Review. What is relative age dating? What is relative age dating?

Impact Age Dating. ASTRO 202 Lecture Thursday, February 14, Review. What is relative age dating? What is relative age dating? Review Impact Age Dating ASTRO 202 Lecture Thursday, February 14, 2008 Carbon-14, Potassium-Argon isotopic age determination: (1) Parent decays to daughter at some predictable rate (2) How much now? (3)

More information

What is there in thee, moon, That thou shouldst move My heart so potently? By John Keats

What is there in thee, moon, That thou shouldst move My heart so potently? By John Keats What is there in thee, moon, That thou shouldst move My heart so potently? By John Keats The most popular view about how the moon formed was that a space object collided with the Earth. The material that

More information

Class Announcements. Solar System. Objectives for today. Will you read Chap 32 before Wed. class? Chap 32 Beyond the Earth

Class Announcements. Solar System. Objectives for today. Will you read Chap 32 before Wed. class? Chap 32 Beyond the Earth Class Announcements Please fill out an evaluation for this class. If you release your name I ll I give you quiz credit. Will you read Chap 32 before Wed. class? a) Yes b) No Chap 32 Beyond the Earth Objectives

More information

Evolution of the Solar System

Evolution of the Solar System DATE DUE: Name: Ms. Terry J. Boroughs Geology 305 Section: Evolution of the Solar System Instructions: Read each question carefully before selecting the BEST answer or option. Use GEOLOGIC vocabulary where

More information

Physics Homework Set 3 Fall 2015

Physics Homework Set 3 Fall 2015 1) Mercury presents the same side to the Sun 1) A) every third orbit. B) every 12 hours. C) all the time, just like our Moon. D) every other orbit. E) Twice every orbit. 2) Both the Moon and Mercury are

More information

MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.

MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. ASTRO 102/104 Prelim 2 Name Section MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) This is version E of the exam. Please fill in (E). A) This

More information

MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.

MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. ASTRO 102/104 Prelim 2 Name Section MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) This is version B of the exam. Please fill in (B). A) This

More information

Solar System. The Jovian Satellites. Regular vs. Irregular Satellites. Jovian satellites reside beyond the frost line

Solar System. The Jovian Satellites. Regular vs. Irregular Satellites. Jovian satellites reside beyond the frost line The Jovian Satellites Satellites are common around Jovian planets Some are as large as Mercury, & thus are like planets Some have atmospheres Discovery of the first Jovian satellites In 1610, Galileo discovered

More information

Earth s Motion. Lesson Outline LESSON 1. A. Earth and the Sun 1. The diameter is more than 100 times greater than

Earth s Motion. Lesson Outline LESSON 1. A. Earth and the Sun 1. The diameter is more than 100 times greater than Lesson Outline Earth s Motion LESSON 1 A. Earth and the Sun 1. The diameter is more than 100 times greater than Earth s diameter. a. In the Sun, atoms combine during, producing huge amounts of energy.

More information

(4) Meteorites: Remnants of Creation

(4) Meteorites: Remnants of Creation (4) Meteorites: Remnants of Creation Meteoroid: small piece of debris in space Meteor: space debris heated by friction as it plunges into the Earth s atmosphere Meteorite: Space debris that has reached

More information

Terrestrial World Surfaces

Terrestrial World Surfaces 1 Terrestrial World Surfaces Solid rocky surfaces shaped (to varying degrees) by: Impact cratering Volcanism Tectonics (gross movement of surface by interior forces) Erosion (by impacts or by weather)

More information

Planetary Science Unit Map Grade 8

Planetary Science Unit Map Grade 8 Planetary Science Unit Map Grade 8 Course Goal and Description: In Planetary Science students study the Earth as a celestial object before progressing to lunar science/exploration, and then to Solar System

More information

Chapter. Origin of Modern Astronomy

Chapter. Origin of Modern Astronomy Chapter Origin of Modern Astronomy 22.1 Early Astronomy Ancient Greeks Astronomy is the science that studies the universe. It includes the observation and interpretation of celestial bodies and phenomena.

More information

What is the Moon? A natural satellite One of more than 96 moons in our Solar System The only moon of the planet Earth

What is the Moon? A natural satellite One of more than 96 moons in our Solar System The only moon of the planet Earth The Moon What is the Moon? A natural satellite One of more than 96 moons in our Solar System The only moon of the planet Earth Location, location, location! About 384,000 km (240,000 miles) from Earth

More information

Accretionary Disk Model

Accretionary Disk Model Accretionary Disk Model SOLAR NEBULAR THEORY a large cloud of gas began eventually forming the Sun at its center while the outer, cooler, parts created the planets. SOLAR NEBULA A cloud of gasses and

More information

Evolution of the Solar System

Evolution of the Solar System DATE DUE: Name: Ms. Terry J. Boroughs Geology 305 Section: Evolution of the Solar System Instructions: Read each question carefully before selecting the BEST answer or option. Use GEOLOGIC vocabulary where

More information

Radioactive Dating. U238>Pb206. Halflife: Oldest earth rocks. Meteors and Moon rocks. 4.5 billion years billion years

Radioactive Dating. U238>Pb206. Halflife: Oldest earth rocks. Meteors and Moon rocks. 4.5 billion years billion years U238>Pb206 Halflife: 4.5 billion years Oldest earth rocks 3.96 billion years Meteors and Moon rocks 4.6 billion years This is the time they solidified The solar system is older than this. Radioactive Dating

More information

The Moon. Tides. Tides. Mass = 7.4 x 1025 g = MEarth. = 0.27 REarth. (Earth 5.5 g/cm3) Gravity = 1/6 that of Earth

The Moon. Tides. Tides. Mass = 7.4 x 1025 g = MEarth. = 0.27 REarth. (Earth 5.5 g/cm3) Gravity = 1/6 that of Earth The Moon Mass = 7.4 x 1025 g = 0.012 MEarth Radius = 1738 km = 0.27 REarth Density = 3.3 g/cm3 (Earth 5.5 g/cm3) Gravity = 1/6 that of Earth Dark side of the moon We always see the same face of the Moon.

More information

Jupiter. Jupiter is the third-brightest object in the night sky (after the Moon and Venus). Exploration by Spacecrafts

Jupiter. Jupiter is the third-brightest object in the night sky (after the Moon and Venus). Exploration by Spacecrafts Jupiter Orbit, Rotation Physical Properties Atmosphere, surface Interior Magnetosphere Moons (Voyager 1) Jupiter is the third-brightest object in the night sky (after the Moon and Venus). Exploration by

More information

Relative positions of the earth, moon and sun

Relative positions of the earth, moon and sun Relative positions of the earth, moon and sun Activity Workbook REVIEWS AND UPDATES REVIEWER ACTIONS/COMMENTS DATE Kenneth Martyns-Yellowe Developer 15-08-2018 Relative Positions of the Earth, Moon and

More information

Vital Statistics. The Moon. The Tides The gravitational pull between the Earth, the Moon and the Sun causes three inter-related effects: Lunar Phases

Vital Statistics. The Moon. The Tides The gravitational pull between the Earth, the Moon and the Sun causes three inter-related effects: Lunar Phases Vital Statistics Orbit & tides Apollo & beyond Surface Interior Origin The Moon Vital Statistics Mean distance from Earth 384400 km Orbital period (sidereal) Rotational period 27.322 days Eccentricity

More information

Super Quiz. 4 TH Grade

Super Quiz. 4 TH Grade Super Quiz 4 TH Grade The SUPER QUIZ is the most exciting event of the Academic Challenge because, for the first time, you will compete as a team with your friends to answer the questions. TEAM SIGN UP

More information

Outline. Planetary Atmospheres. General Comments about the Atmospheres of Terrestrial Planets. General Comments, continued

Outline. Planetary Atmospheres. General Comments about the Atmospheres of Terrestrial Planets. General Comments, continued Outline Planetary Atmospheres Chapter 10 General comments about terrestrial planet atmospheres Atmospheric structure & the generic atmosphere Greenhouse effect Magnetosphere & the aurora Weather & climate

More information

The Moon s radius is about 1100 miles. The mass of the Moon is 7.3x10 22 kg

The Moon s radius is about 1100 miles. The mass of the Moon is 7.3x10 22 kg The Moon Orbit Parallax methods can provide us with quite accurate measurements of the distance to the Moon Earth s diameter is used as a baseline Radar and laser ranging yield more accurate distances

More information

1. Which term describes any object that exists in space? a. celestial object b. star c. planet d. asteroid

1. Which term describes any object that exists in space? a. celestial object b. star c. planet d. asteroid Space Test Review Multiple Choice Identify the choice that best completes the statement or answers the question. 1. Which term describes any object that exists in space? a. celestial object b. star c.

More information

Moon 101. Bellaire High School Team: Rachel Fisher, Clint Wu, Omkar Joshi

Moon 101. Bellaire High School Team: Rachel Fisher, Clint Wu, Omkar Joshi Moon 101 Bellaire High School Team: Rachel Fisher, Clint Wu, Omkar Joshi Part I Formation of the Moon Planetary Formation In the solar nebula, dust particles coalesced to form smaller planetesimals and

More information

Phys 214. Planets and Life

Phys 214. Planets and Life Phys 214. Planets and Life Dr. Cristina Buzea Department of Physics Room 259 E-mail: cristi@physics.queensu.ca (Please use PHYS214 in e-mail subject) Lecture 10. Geology and life. Part 1 (Page 99-123)

More information

FCAT Review Space Science

FCAT Review Space Science FCAT Review Space Science The Law of Universal Gravitation The law of universal gravitation states that ALL matter in the universe attracts each other. Gravity is greatly impacted by both mass and distance

More information

I always wanted to be somebody, but I should have been more specific. Lilly Tomlin Reading has been updated. (All of Chaps. 9& 10) Friday, first sit

I always wanted to be somebody, but I should have been more specific. Lilly Tomlin Reading has been updated. (All of Chaps. 9& 10) Friday, first sit I always wanted to be somebody, but I should have been more specific. Lilly Tomlin Reading has been updated. (All of Chaps. 9& 10) Friday, first sit for passing back HW, then with chart. Water on the Moon?

More information

Giant Impact Theory Fission Theory Capture Theory Condensation Theory Colliding Planetisimals Theory Regolith Mountain and Mounds Craters and Impacts

Giant Impact Theory Fission Theory Capture Theory Condensation Theory Colliding Planetisimals Theory Regolith Mountain and Mounds Craters and Impacts By The Terminators Giant Impact Theory Fission Theory Capture Theory Condensation Theory Colliding Planetisimals Theory Regolith Mountain and Mounds Craters and Impacts Marias Rills and Rays Sources The

More information

Constructing the Moon

Constructing the Moon Constructing the Solar System: A Smashing Success Constructing the Moon Thomas M. Davison Department of the Geophysical Sciences Compton Lecture Series Autumn 2012 T. M. Davison Constructing the Solar

More information

Astronomy Unit Notes Name:

Astronomy Unit Notes Name: Astronomy Unit Notes Name: (DO NOT LOSE!) To help with the planets order 1 My = M 2 V = Venus 3 Eager = E 4 M = Mars 5 Just = J 6 Served = Saturn 7 Us = Uranus 8 N = N 1 Orbit: The path (usually elliptical)

More information

Name Class Date. Chapter 30. Moons and Rings. Review Choose the best response. Write the letter of that choice in the space provided.

Name Class Date. Chapter 30. Moons and Rings. Review Choose the best response. Write the letter of that choice in the space provided. Moons and Rings Review Choose the best response. Write the letter of that choice in the space provided. 1. Dark areas on the moon that are smooth and reflect little light are called a. rilles. b. maria.

More information

Chapter 15: The Origin of the Solar System

Chapter 15: The Origin of the Solar System Chapter 15: The Origin of the Solar System The Solar Nebula Hypothesis Basis of modern theory of planet formation: Planets form at the same time from the same cloud as the star. Planet formation sites

More information

Astronomy I Exam 2 Sample

Astronomy I Exam 2 Sample NAME: Part I: Multiple Choice (2 points. ea.) Read carefully, choose the best answer 1. Which of the following occurs because of the orbital motion of the Earth about the Sun and cannot be accounted for

More information

Exploring the Lunar Surface

Exploring the Lunar Surface Exploring the Lunar Surface Introduction When you look up at the Moon without optical aid, you may notice the variations in the texture of the lunar surface--some parts of the Moon are quite bright, while

More information

DeAnza College Winter Second Midterm Exam Section 04 MAKE ALL MARKS DARK AND COMPLETE.

DeAnza College Winter Second Midterm Exam Section 04 MAKE ALL MARKS DARK AND COMPLETE. FAMILY NAME : (Please PRINT!) GIVEN NAME : (Please PRINT!) Signature: ASTRONOMY 4 DeAnza College Winter 2018 Second Midterm Exam Section 04 MAKE ALL MARKS DARK AND COMPLETE. Instructions: 1. On your Parscore

More information

18.1 Earth and Its Moon Earth s shape and orbit Earth s shape Earth s orbit around the Sun

18.1 Earth and Its Moon Earth s shape and orbit Earth s shape Earth s orbit around the Sun 18.1 Earth and Its Moon Revolving around Earth at a distance of 384,400 kilometers is our only moon. Since the invention of spacecraft, our knowledge of Earth and the Moon has grown tremendously. In fact,

More information

refractors satellite electromagnetic radiation

refractors satellite electromagnetic radiation Chapter 19 Exploring Space space probe reflectors mirror refractors satellite electromagnetic radiation light lens thrust 1. All radiation is classified by wavelength in the. 2. Two types of telescopes

More information

2) Elucidate a weakness of two of the lines of evidence you listed in the previous question.

2) Elucidate a weakness of two of the lines of evidence you listed in the previous question. GEO 110 Final Test May 30 2003 Name: IMPORTANT: Please write legibly!!! Short Answer (2 points each) 1) List three of the four lines of evidence that the Johnson Space Center team presented as evidence

More information

Planetary Impacts Planetary Impacts

Planetary Impacts Planetary Impacts Planetary Impacts Planetary Impacts Impacts between planets & asteroid-sized bodies have played an important role in determining the planets properties. In the case of Mercury, a large head-on impact is

More information

Astronomy Ch. 8 The Moon and Mercury. MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.

Astronomy Ch. 8 The Moon and Mercury. MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. Name: Period: Date: Astronomy Ch. 8 The Moon and Mercury MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) The best way to find the exact distance

More information

The Moon. Part II: Solar System. The Moon. A. Orbital Motion. The Moon s Orbit. Earth-Moon is a Binary Planet

The Moon. Part II: Solar System. The Moon. A. Orbital Motion. The Moon s Orbit. Earth-Moon is a Binary Planet Part II: Solar System The Moon Audio update: 2014Feb23 The Moon A. Orbital Stuff B. The Surface C. Composition and Interior D. Formation E. Notes 2 A. Orbital Motion 3 Earth-Moon is a Binary Planet 4 1.

More information

General Comments about the Atmospheres of Terrestrial Planets

General Comments about the Atmospheres of Terrestrial Planets General Comments about the Atmospheres of Terrestrial Planets Mercury Very little atmosphere Contents: vaporized micrometeorites, solar wind Sky is black Venus Very thick (10% density of water), dense

More information

Planetary Interiors. Earth s Interior Structure Hydrostatic Equilibrium Heating Constituent Relations Gravitational Fields Isostasy Magnetism

Planetary Interiors. Earth s Interior Structure Hydrostatic Equilibrium Heating Constituent Relations Gravitational Fields Isostasy Magnetism Planetary Interiors Earth s Interior Structure Hydrostatic Equilibrium Heating Constituent Relations Gravitational Fields Isostasy Magnetism Isostasy Courtesy of U of Leeds Now apply this idea to topography

More information

Moon Formation. Capture Hypothesis Many Hypothesis Fission Hypothesis Double Impact Hypothesis Giant Impact Hypothesis

Moon Formation. Capture Hypothesis Many Hypothesis Fission Hypothesis Double Impact Hypothesis Giant Impact Hypothesis Moon Formation Capture Hypothesis Many Hypothesis Fission Hypothesis Double Impact Hypothesis Giant Impact Hypothesis Capture Hypothesis Earth seized a pre-formed moon Disproved when lunar samples showed

More information

Chapter 7. The Moon. Copyright (c) The McGraw-Hill Companies, Inc. Permission required for reproduction or display.

Chapter 7. The Moon. Copyright (c) The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Chapter 7 The Moon Copyright (c) The McGraw-Hill Companies, Inc. Permission required for reproduction or display. The Earth s Moon Earth s nearest neighbor is space Once the frontier of direct human exploration

More information

2. Terrestrial Planet G 9. Coulomb Force C 16. Babcock model Q. 3. Continuous Spectrum K 10. Large-impact hypothesis I 17.

2. Terrestrial Planet G 9. Coulomb Force C 16. Babcock model Q. 3. Continuous Spectrum K 10. Large-impact hypothesis I 17. Astronomy 1 S 16 Exam 1 Name Identify terms Label each term with the appropriate letter of a definition listed 1. Spectral line R 8. Albedo H 15. helioseismology E 2. Terrestrial Planet G 9. Coulomb Force

More information

Lecture #10: Plan. The Moon Terrestrial Planets

Lecture #10: Plan. The Moon Terrestrial Planets Lecture #10: Plan The Moon Terrestrial Planets Both Sides of the Moon Moon: Direct Exploration Moon: Direct Exploration Moon: Direct Exploration Apollo Landing Sites Moon: Apollo Program Magnificent desolation

More information

Lecture Outlines. Chapter 15. Astronomy Today 7th Edition Chaisson/McMillan Pearson Education, Inc.

Lecture Outlines. Chapter 15. Astronomy Today 7th Edition Chaisson/McMillan Pearson Education, Inc. Lecture Outlines Chapter 15 Astronomy Today 7th Edition Chaisson/McMillan Chapter 15 The Formation of Planetary Systems Units of Chapter 15 15.1 Modeling Planet Formation 15.2 Terrestrial and Jovian Planets

More information

The Official CA State Science Education Standards for Earth Science K 8

The Official CA State Science Education Standards for Earth Science K 8 The Official CA State Science Education Standards for Earth Science K 8 Kindergarten The Earth is composed of land, air and water. As a basis for understanding this concept, students know: a. characteristics

More information

Chapter 23: The Sun-Earth-Moon System. Grade 6 Earth Science Mr. Norton

Chapter 23: The Sun-Earth-Moon System. Grade 6 Earth Science Mr. Norton Chapter 23: The Sun-Earth-Moon System Grade 6 Earth Science Mr. Norton Chapter 23: The Sun-Earth-Moon System Section 1: Earth Section 2: The Moon Earth s Satellite Section 3: Exploring Earth s Moon Chapter

More information

Pluto. Touring our Solar System. September 08, The Solar System.notebook. Solar System includes: Sun 8 planets Asteroids Comets Meteoroids

Pluto. Touring our Solar System. September 08, The Solar System.notebook. Solar System includes: Sun 8 planets Asteroids Comets Meteoroids Touring our Solar System Solar System includes: Sun 8 planets Asteroids Comets Meteoroids Jan 4 5:48 PM Jan 4 5:50 PM A planet's orbit lies in an inclined orbital plane Planes of seven planets lie within

More information

Astronomy 11. No, this course isn t all about Star Wars

Astronomy 11. No, this course isn t all about Star Wars Astronomy 11 No, this course isn t all about Star Wars Earth s Rotation How fast are people on the equator moving? s=d/t =circumference/24 hours =(40,000 km)/24 hours =1670 km/h That s Mach 1.4! What

More information

Physical Science. Chapter 22 The Earth in Space. Earth s Rotation

Physical Science. Chapter 22 The Earth in Space. Earth s Rotation Physical Science Chapter 22 The Earth in Space Earth s Rotation Axis imaginary line passing through the North and South Pole Earth s axis is tilted at 23 ½ degrees Rotation: the Earth spinning on its axis

More information

Overview of Solar System

Overview of Solar System Overview of Solar System The solar system is a disk Rotation of sun, orbits of planets all in same direction. Most planets rotate in this same sense. (Venus, Uranus, Pluto are exceptions). Angular momentum

More information

Physical Science. Chapter 22 The Earth in Space

Physical Science. Chapter 22 The Earth in Space Physical Science Chapter 22 The Earth in Space Earth s Rotation Axis imaginary line passing through the North and South Pole Earth s axis is tilted at 23 ½ degrees Rotation: the Earth spinning on its axis

More information

A geologic process An erosional force A chronological tool An influence on biology

A geologic process An erosional force A chronological tool An influence on biology Impact Cratering: Physics and Chronology A geologic process An erosional force A chronological tool An influence on biology Impact features are common All solar system bodies with solid surfaces show evidence

More information

D. most intense and of longest duration C. D.

D. most intense and of longest duration C. D. Astronomy Take Home Test Answer on a separate sheet of paper In complete sentences justify your answer Name: 1. The Moon s cycle of phases can be observed from Earth because the Moon 4. The accompanying

More information

Introduction to Astronomy

Introduction to Astronomy Introduction to Astronomy AST0111-3 (Astronomía) Semester 2014B Prof. Thomas H. Puzia Venus Venus The atmosphere of Venus is very dense and an opaque layer of clouds covers the planet, such that we cannot

More information