Craters of The Moon. Evan Sheridan, Tom Power, Chris Kervick March 4th 2013
|
|
- Hector Clarke
- 6 years ago
- Views:
Transcription
1 Craters of The Moon Evan Sheridan, Tom Power, Chris Kervick March 4th 2013 Abstract Various properties of craters found on the moon were investigated. For a various number of craters both the crater height,which utilized knowledge of the Sun s zenith angle, and crater diameter were measured which suggested a linear relationship of the form : h = αd. For each crater measured we found the range of kinetic energies of the impacting asteroids to be E kinetic 1.87x Finally, the number of craters on the moon was found to be of order 100,000 with less craters appearing in the mare regions. 1
2 1 Aims To measure the length of shadows cast by craters and thus deduce the height of the crater. To measure the diameter of a number of craters a deduce a relationship between crater height and crater width. Deduce certain properties of the bodies that impacted the Earth and the Moon during the early Solar System. Estimate the number of craters on the moon. 2 Backround and Theory In the early formation of the Solar System both the Earth and the Moon were bombarded with many asteroids. Due to the geological activity of the Earth at the time these asteroids didn t leave long lasting craters that are visible to the extent that they are on the Moon. The experiment focuses on these relics of the early formation of the Solar System and attempts to garner some idea about the nature of these impacts. The main theory of how the solar system formed is labelled the nebular hypothesis. It states that some 4.5 billion years ago a giant cloud of molecular dust collapsed upon itself due to it s own gravitational pull. Most of the mass became concentrated in the centre of this cloud while due to the conservation of angular momentum the kinetic energy of the cloud was converted into heat at the centre giving rising to the formation of the Sun. However, not all the mass was concentrated at the centre. Some of it formed what is known as a protoplanetary disk that surrounded the Sun. Essentially what happened then is that a bunch of orbiting mass around the Sun came in direct contact with more and more mass and formed planetesimals. Under the force of gravity these orbiting planetesimals formed into planets. This process is known as accretion. Stray orbiting matter around the Sun that never accumulated into one of these planets or moons of a planet are deemed as asteroids and there were quite a few of these asteroids at that time. Thus resulting in a lot of collisions with the Earth and Moon, inevitably leading to craters on the moon. Unlike 4.5 billion years ago we don t experience a bombardment of asteroids anymore. It is thought this is because that after the formation of the large gas giants many of these gravitationally flung these asteroids out of the solar system resulting in the Oort Cloud and Kuiper-Edgeworth Belt. In order to calculate the height of a crater on the moon we consider the following situation: h θ l Crater Width D The Height of the crater is given by : 1
3 where l = Length of the Shadow. h = l tan(θ) For the Diameter of the crater we have the following: ( ) 1 E 4 D = 2.5 ρg M This formula is derived from the results we obtain in the experiment. (2.1) 3 The Experiment The first part of the experiment requires one to use a ruler to measure 9 craters of varying sizes using 3 images of the lunar surface. The shadow length must also be measured and from both this and the Sun s angle with respect to the crater the height of the crater can be found. After collecting all this data one a log-log plot will be plotted of the crater wall height against the crater diameter to see if any relationship can be established. The second part of the experiment requires one to investigate the equation (2.1) and to figure out the range of kinetic energies and masses of the impacting bodies from the data obtained in the first part of the experiment. As well as this as physical explanation must be given for (2.1). The final part of the experiment requires one categorize the craters over a certain area in terms of craters > 16km,8km,4km and 2km. Then the number of craters in each respective category shall be counted up. The data will be plotted on both linear and log plots in order to extrapolate a relationship. The number of craters on the moon will be estimated. Finally, the mare regions of the moon will be then investigated by deriving the crater ration. 4 Results and Analysis We picked 9 craters of varying sizes from the 3 pictures given. It was noted that if the images were taken at a time of full moon then there would been no shadows cast by the craters and no heights would be able to be calculated. We then got the shadow length and diameter successfully. The height of the crater was easily found. We then plotted the following log plot: 2
4 As we can see this suggests a linear relationship between the Crater Height and Crater Diameter, i.e : h = αd with α some constant of proportionality. Intuitively, this is what we expect because if we have a huge impact it will tend to both dig deep and dig wide resulting in the height and width being somehow proportional. For each of the craters we analysed we found the following kinetic energies for the asteroid by modifying (2.1) such that : E = D4 ρg m 2.5 With ρ 2x10 3 kgm 3 and g m = 1.62ms 2 From this we got the following results: Diameter (Km) E kinetic (Joules) x x x Thus the range of kinetic energies for the craters that we sampled is: E kinetic 1.87x10 10 Using dimensional analysis it was found that the units of the RHS go like : ( ) kgm 2 s kg ms m (m) 1 4
5 Getting rid of the 4 th root = m. Thus the units are correct. Given that above we have found that the crater height and crater diameter have a linear relationship this give rise to the following situation: Consider: i.e the potential energy at a height h. Now from out results : and E = mg m h (4.1) D = αh ρ = m D 3 where m is the mass of the crater and we are now approximating the volume of the crater by a cube. Thus subbing into (4.1): E = ρd3 Dg m α = E = D4 ρg m 2.5 where α is the constant of proportionality. E can be thought of as the amount of energy needed to remove the crater mass m from by the height of the crater h. If we assume an elastic collision then we can equate this energy to the kinetic energy of the asteroid. This, however, is a simplification. Nevertheless, it is a physical explanation. We assumed that asteroids typically moved at 55kms 1 when they hit the surface of the moon. We then used : E = 1 2 mv 2 to solve for the mass of each body hitting the crater. We got the following: Diameter (Km) E kinetic (Joules) Mass asteroid (Kg) x x x Thus the range of masses of the impacting bodies was found to be : 124 m We then investigated the number of impacts on over a specific area, categorizing the impacts by size. The data we found is illustrated in the following plot : 4
6 We found that there were very few craters of large size (i.e greater than 16 Km ) whereas as the craters became smaller the number of craters increased significantly. We can see that the diameter of craters over a specific area is inversely proportional to the number of craters over the same area. Even from the images this made sense because it was clear that there were far more smaller craters than bigger ones. This suggests that not many large asteroids actually impacted the moon during the early solar system. Perhaps this also meant that bigger bodies were actually going far too fast to be captured by the moon s gravitational attraction. Finally the number of craters on the moon were calculated to be on the order of 100,000. Given that the images were blurry in some instances and almost impossible to read anything off the mare regions the crater ratio was found to be 4 : 1 in general. 5 Conclusions Although a linear relationship was extrapolated between the crater height and the crater depth the images were quite difficult to analyse. For instance, it was assumed that the impact was a uniform collision whereas in reality it is not and this definitely affected the results when measuring shadow distances and crater diameters. Also, various simplifications may distort the outcome. Nevertheless, the results give a general gist of what is going on. It was found that smaller craters were far more common than larger craters on the surface of the moon, suggesting that not many large asteroids collided with the moon. The result concerning the crater ratio and the mare regions is subject to conjecture for it was quite difficult to discern what was a crater and what wasn t, especially in the mare regions. 5
Craters on the Moon. Chris Kervick March, 2013
Craters on the Moon Chris Kervick - 11355511 March, 2013 Abstract Using three supplied photographs of the moon, measurements were taken regarding the size of craters. Basic geometry was then used to calculate
More informationCraters of The Moon. David-Alexander Robinson ; Daniel Tanner; Jack Denning th November Abstract 2. 2 Introduction & Theory 2
Craters of The Moon David-Alexander Robinson ; Daniel Tanner; Jack Denning 08332461 12th November 2009 Contents 1 Abstract 2 2 Introduction & Theory 2 3 Experimental Method 3 3.1 Depht of Craters.........................
More informationAccretionary 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-Melissa Greenberg, Arielle Hoffman, Zachary Feldmann, Ryan Pozin, Elizabeth Weeks, Christopher Pesota, & Sara Pilcher
-Melissa Greenberg, Arielle Hoffman, Zachary Feldmann, Ryan Pozin, Elizabeth Weeks, Christopher Pesota, & Sara Pilcher Formation Overview All explanations as to how the solar system was formed are only
More informationWhere did the solar system come from?
Chapter 06 Part 2 Making the Planetary Donuts Where did the solar system come from? Galactic Recycling Elements that formed planets were made in stars and then recycled through interstellar space. Evidence
More informationBrooks Observatory telescope observing this week
Brooks Observatory telescope observing this week Mon. - Thurs., 7:30 9:15 PM MW, 7:30 8:45 PM TR See the class web page for weather updates. This evening s session is cancelled. Present your blue ticket
More informationSolar System Formation
Solar System Formation Solar System Formation Question: How did our solar system and other planetary systems form? Comparative planetology has helped us understand Compare the differences and similarities
More informationMaking a Solar System
Making a Solar System Learning Objectives! What are our Solar System s broad features? Where are asteroids, comets and each type of planet? Where is most of the mass? In what direction do planets orbit
More informationMoon Obs #1 Due! Moon visible: early morning through afternoon. 6 more due June 13 th. 15 total due June 25 th. Final Report Due June 28th
Moon Obs #1 Due! Moon visible: early morning through afternoon 6 more due June 13 th 15 total due June 25 th Final Report Due June 28th Our Solar System Objectives Overview of what is in our solar system
More informationSolar System Formation
Solar System Formation Solar System Formation Question: How did our solar system and other planetary systems form? Comparative planetology has helped us understand Compare the differences and similarities
More informationChapter 8 Lecture. The Cosmic Perspective Seventh Edition. Formation of the Solar System
Chapter 8 Lecture The Cosmic Perspective Seventh Edition Formation of the Solar System Formation of the Solar System 8.1 The Search for Origins Our goals for learning: Develop a theory of solar system
More informationName Period Date Earth and Space Science. Solar System Review
Name Period Date Earth and Space Science Solar System Review 1. is the spinning a planetary object on its axis. 2. is the backward motion of planets. 3. The is a unit less number between 0 and 1 that describes
More informationChapter 19 The Origin of the Solar System
Chapter 19 The Origin of the Solar System Early Hypotheses catastrophic hypotheses, e.g., passing star hypothesis: Star passing closely to the the sun tore material out of the sun, from which planets could
More informationComparative Planetology I: Our Solar System
Comparative Planetology I: Our Solar System Guiding Questions 1. Are all the other planets similar to Earth, or are they very different? 2. Do other planets have moons like Earth s Moon? 3. How do astronomers
More informationSolar System Formation
Solar System Formation Solar System Formation Question: How did our solar system and other planetary systems form? Comparative planetology has helped us understand Compare the differences and similarities
More informationFormation of the Solar System. What We Know. What We Know
Formation of the Solar System Many of the characteristics of the planets we discussed last week are a direct result of how the Solar System formed Until recently, theories for solar system formation were
More informationWhat does the solar system look like?
What does the solar system look like? The solar system exhibits clear patterns of composition and motion. These patterns are far more important and interesting than numbers, names, and other trivia. Relative
More informationon it, can still ripen a bunch of grapes as though it had nothing else in the Universe to do. Galileo Galilei
The Sun, with all the planets revolving around it, and depending on it, can still ripen a bunch of grapes as though it had nothing else in the Universe to do. Galileo Galilei What We Will Learn Today Where
More informationFormation of the Solar System Chapter 8
Formation of the Solar System Chapter 8 To understand the formation of the solar system one has to apply concepts such as: Conservation of angular momentum Conservation of energy The theory of the formation
More information9. Formation of the Solar System
9. Formation of the Solar System The evolution of the world may be compared to a display of fireworks that has just ended: some few red wisps, ashes, and smoke. Standing on a cool cinder, we see the slow
More informationRadioactive 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 informationAsteroids February 23
Asteroids February 23 Test 2 Mon, Feb 28 Covers 6 questions from Test 1. Added to score of Test 1 Telescopes Solar system Format similar to Test 1 Missouri Club Fri 9:00 1415 Fri, last 10 minutes of class
More informationThe Coriolis effect. Why does the cloud spin? The Solar Nebula. Origin of the Solar System. Gravitational Collapse
Origin of the Solar System Our theory must explain the data 1. Large bodies in the Solar System have orderly motions. 2. There are two types of planets. small, rocky terrestrial planets large, hydrogen-rich
More informationEarth 110 Exploration of the Solar System Assignment 2: Solar System Formation Due in class Tuesday, Jan. 26, 2016
Name: Section: Earth 110 Exploration of the Solar System Assignment 2: Solar System Formation Due in class Tuesday, Jan. 26, 2016 Can we use our observations of the solar system to explain how it formed?
More informationTest Name: 09.LCW.0352.SCIENCE.GR Q1.S.THEUNIVERSE-SOLARSYSTEMHONORS Test ID: Date: 09/21/2017
Test Name: 09.LCW.0352.SCIENCE.GR7.2017.Q1.S.THEUNIVERSE-SOLARSYSTEMHONORS Test ID: 243920 Date: 09/21/2017 Section 1.1 - According to the Doppler Effect, what happens to the wavelength of light as galaxies
More informationAstro 1: Introductory Astronomy
Astro 1: Introductory Astronomy David Cohen Class 16: Thursday, March 20 Spring 2014 large cloud of interstellar gas and dust - giving birth to millions of stars Hubble Space Telescope: Carina Nebula
More information1star 1 star 9 8 planets 63 (major) moons asteroids, comets, meteoroids
The Solar System 1star 1 star 9 8 planets 63 (major) moons asteroids, comets, meteoroids The distances to planets are known from Kepler s Laws (once calibrated with radar ranging to Venus) How are planet
More informationGET-WISE Presentation on Collisions in the Solar System Dr. Jeffrey Morgenthaler
When Worlds Collide GET-WISE Presentation on Collisions in the Solar System Dr. Jeffrey Morgenthaler Copyright, 1996 Dale Carnegie & Associates, Inc. Introduction This talk is about impacts between objects
More informationWhy are Saturn s rings confined to a thin plane? 1. Tidal forces 2. Newton s 1st law 3. Conservation of energy 4. Conservation of angular momentum
Announcements Astro 101, 12/2/08 Formation of the Solar System (text unit 33) Last OWL homework: late this week or early next week Final exam: Monday, Dec. 15, 10:30 AM, Hasbrouck 20 Saturn Moons Rings
More informationChapter 8 Formation of the Solar System
Chapter 8 Formation of the Solar System SUMMARY OF STAGES IN FORMATION OF SOLAR SYSTEM STARTING POINT: A ROTATING SPHERICAL NEBULA with atoms made by Galactic recycling 1-GRAVITATIONAL CONTRACTION AND
More informationBell Work. Why are solar eclipses so rare? What are scale models?
Daily Routine Sit in your appropriate seat quietly All back packs on the floor All cell phones away All IPods off and headphones out of your ears Have all necessary materials out No food or drink except
More information3. The moon with the most substantial atmosphere in the Solar System is A) Iapetus B) Io C) Titan D) Triton E) Europa
Spring 2013 Astronomy - Test 2 Test form A Name Do not forget to write your name and fill in the bubbles with your student number, and fill in test form A on the answer sheet. Write your name above as
More informationThe origin of the Solar System
The origin of the Solar System Astronomy 101 Syracuse University, Fall 2016 Walter Freeman November 9, 2017 Astronomy 101 The origin of the Solar System November 9, 2017 1 / 16 Astronomy 101 The origin
More informationThe History of the Solar System. From cloud to Sun, planets, and smaller bodies
The History of the Solar System From cloud to Sun, planets, and smaller bodies The Birth of a Star Twenty years ago, we knew of only one star with planets the Sun and our understanding of the birth of
More informationASTRO 114 Lecture Okay. I m gonna finish up our discussion of asteroids this morning and comets,
ASTRO 114 Lecture 28 1 Okay. I m gonna finish up our discussion of asteroids this morning and comets, and then we re gonna talk about the solar system in general and how it formed. I have a few pictures
More informationChapter Outline. Earth and Other Planets. The Formation of the Solar System. Clue #1: Planetary Orbits. Clues to the Origin of the Solar System
Chapter Outline Earth and Other Planets The Formation of the Solar System Exploring the Solar System Chapter 16 Great Idea: Earth, one of the planets that orbit the Sun, formed 4.5 billion years ago from
More informationPhysical Sciences Astronomy: The Moon. Science and Mathematics Education Research Group
F FA ACULTY C U L T Y OF O F EDUCATION E D U C A T I O N Department of Curriculum and Pedagogy Physical Sciences Astronomy: The Moon Science and Mathematics Education Research Group Supported by UBC Teaching
More informationAstronomy. 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 Planetology II Key characteristics Chemical elements and planet size Radioactive dating Solar system formation Solar nebula
More informationChapter 9 Remnants of Rock and Ice. Asteroids, Comets, and Pluto
Chapter 9 Remnants of Rock and Ice Asteroids, Comets, and Pluto 9.1 Asteroids and Meteorites Our Goals for Learning Why is there an asteroid belt? How are meteorites related to asteroids? Asteroid Facts
More informationASTRONOMY. S6E1 a, b, c, d, e, f S6E2 a, b, c,
ASTRONOMY S6E1 a, b, c, d, e, f S6E2 a, b, c, UNIVERSE Age 13.7 billion years old The Big Bang Theory Protons and Neutrons formed hydrogen and helium. This created heat that formed the stars. Other elements
More informationUnit 3 Lesson 2 Gravity and the Solar System. Copyright Houghton Mifflin Harcourt Publishing Company
Florida Benchmarks SC.8.N.1.4 Explain how hypotheses are valuable if they lead to further investigations, even if they turn out not to be supported by the data. SC.8.N.1.5 Analyze the methods used to develop
More informationChapter 06 Let s Make a Solar System
like? Big picture. Chapter 06 Let s Make a Solar System How did it come to be this way? Where did it come from? Will I stop sounding like the Talking Heads? The solar system exhibits clear patterns of
More informationHow did it come to be this way? Will I stop sounding like the
Chapter 06 Let s Make a Solar System How did it come to be this way? Where did it come from? Will I stop sounding like the Talking Heads? What does the solar system look like? Big picture. The solar system
More informationThe Big Bang Theory (page 854)
Name Class Date Space Homework Packet Homework #1 Hubble s Law (pages 852 853) 1. How can astronomers use the Doppler effect? 2. The shift in the light of a galaxy toward the red wavelengths is called
More information9/22/ A Brief Tour of the Solar System. Chapter 6: Formation of the Solar System. What does the solar system look like?
9/22/17 Lecture Outline 6.1 A Brief Tour of the Solar System Chapter 6: Formation of the Solar System What does the solar system look like? Our goals for learning: What does the solar system look like?
More informationOrigin of the Solar System
Origin of the Solar System and Solar System Debris 1 Debris comets meteoroids asteroids gas dust 2 Asteroids irregular, rocky hunks small in mass and size Ceres - largest, 1000 km in diameter (1/3 Moon)
More information( ) a3 (Newton s version of Kepler s 3rd Law) Units: sec, m, kg
Astronomy 18, UCSC Planets and Planetary Systems Generic Mid-Term Exam (A combination of exams from the past several times this class was taught) This exam consists of two parts: Part 1: Multiple Choice
More informationClass Exercise. Today s Class: The Origin & Evolution of the Moon. Space in the News: NASA and Russia Partner Up for Crewed Deep-Space Missions
Today s Class: The Origin & Evolution of the Moon 1. 2. 3. 4. Homework. Read: Sections 9.2-9.3 in Cosmic Perspective. Next class is at Fiske Planetarium! Need volunteers for Space in the News. Exam #2
More informationSuper 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 informationAstronomy 1 Winter Lecture 11; January
Astronomy 1 Winter 2011 Lecture 11; January 31 2011 Previously on Astro-1 Properties of the Planets: Orbits in the same plane and direction Inner planets are small and made of heavy elements Outer planets
More informationVagabonds of the Solar System
Vagabonds of the Solar System Guiding Questions 1. How and why were the asteroids first discovered? 2. Why didn t the asteroids coalesce to form a single planet? 3. What do asteroids look like? 4. How
More information12/3/14. Guiding Questions. Vagabonds of the Solar System. A search for a planet between Mars and Jupiter led to the discovery of asteroids
Guiding Questions Vagabonds of the Solar System 1. How and why were the asteroids first discovered? 2. Why didn t the asteroids coalesce to form a single planet? 3. What do asteroids look like? 4. How
More informationChapter 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 informationTheories of Moon Formation
Theories of Moon Formation 9/14/16 Question: How was the moon formed? What are the 4 different theories of moon formation? https://www.youtube.com/watch?v=sjestosgiig List 10 facts about the Moon: Describe
More informationThe 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 informationClass 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 informationCurrently, the largest optical telescope mirrors have a diameter of A) 1 m. B) 2 m. C) 5 m. D) 10 m. E) 100 m.
If a material is highly opaque, then it reflects most light. absorbs most light. transmits most light. scatters most light. emits most light. When light reflects off an object, what is the relation between
More informationClass Exercise. Today s Class: The History & Evolution of the Moon
Today s Class: The History & Evolution of the Moon 1. Homework. Read: Sections 9.2-9.3 in Cosmic Perspective. 2. Homework #6 due next Monday, March 19 th. 3. Exam 2 on Wednesday, March 21, covers telescopes
More informationLecture: Planetology. Part II: Solar System Planetology. A. Components of Solar System. B. Formation of Solar System. C. Xtra Solar Planets
Part II: Solar System Planetology A. Components of Solar System 2 Lecture: Planetology B. Formation of Solar System C. Xtra Solar Planets Updated: Oct 31, 2006 A. Components of Solar System 3 The Solar
More informationSection 25.1 Exploring the Solar System (pages )
Name Class Date Chapter 25 The Solar System Section 25.1 Exploring the Solar System (pages 790 794) This section explores early models of our solar system. It describes the components of the solar system
More informationAstronomy 405 Solar System and ISM
Astronomy 405 Solar System and ISM Lecture 17 Planetary System Formation and Evolution February 22, 2013 grav collapse opposed by turbulence, B field, thermal Cartoon of Star Formation isolated, quasi-static,
More informationPLANETARY FORMATION THEORY EXPLORING EXOPLANETS
PLANETARY FORMATION THEORY EXPLORING EXOPLANETS This is what we call planets around OTHER stars! PLANETARY FORMATION THEORY EXPLORING EXOPLANETS This is only as of June 2012. We ve found at least double
More informationWhere in the Solar System Are Smaller Objects Found?
3.5 Explore Where in the Solar System Are Smaller Objects Found? In Learning Set 1, you read about some of the other objects in the solar system. You learned about dwarf planets and smaller solar system
More informationInitial Conditions: The temperature varies with distance from the protosun.
Initial Conditions: The temperature varies with distance from the protosun. In the outer disk it is cold enough for ice to condense onto dust to form large icy grains. In the inner solar system ice can
More information1 A Solar System Is Born
CHAPTER 16 1 A Solar System Is Born SECTION Our Solar System California Science Standards 8.2.g, 8.4.b, 8.4.c, 8.4.d BEFORE YOU READ After you read this section, you should be able to answer these questions:
More informationThe Formation of the Solar System
The Formation of the Solar System Basic Facts to be explained : 1. Each planet is relatively isolated in space. 2. Orbits nearly circular. 3. All roughly orbit in the same plane. 4. Planets are all orbiting
More informationToday. Solar System Formation. a few more bits and pieces. Homework due
Today Solar System Formation a few more bits and pieces Homework due Pluto Charon 3000 km Asteroids small irregular rocky bodies Comets icy bodies Formation of the Solar System How did these things come
More informationNotes: The Solar System
Notes: The Solar System The Formation of the Solar System 1. A gas cloud collapses under the influence of gravity. 2. Solids condense at the center, forming a protostar. 3. A falttened disk of matter surrounds
More informationAstr 1050 Fri., Feb. 24, 2017
Astr 1050 Fri., Feb. 24, 2017 Chapter 7 & 8: Overview & Formation of the Solar System Reading: Chapters 7 on Solar System Chapter 8: Earth & Terrestrial Planets Reminders: New homework on MA up this afternoon,
More informationJOVIAN VS. TERRESTRIAL PLANETS. To begin lets start with an outline of the solar system.
JOVIAN VS. TERRESTRIAL PLANETS To begin lets start with an outline of the solar system. JOVIAN VS. TERRESTRIAL PLANETS What are Jovian and Terrestrial planets? Terrestrial planets are Earth like planets,
More informationLESSON 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 informationWhich of the following statements best describes the general pattern of composition among the four jovian
Part A Which of the following statements best describes the general pattern of composition among the four jovian planets? Hint A.1 Major categories of ingredients in planetary composition The following
More informationThe 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 informationComparative Planetology II: The Origin of Our Solar System. Chapter Eight
Comparative Planetology II: The Origin of Our Solar System Chapter Eight ASTR 111 003 Fall 2007 Lecture 07 Oct. 15, 2007 Introduction To Modern Astronomy I: Solar System Introducing Astronomy (chap. 1-6)
More information37. Planetary Geology p
37. Planetary Geology p. 656-679 The Solar System Revisited We will now apply all the information we have learned about the geology of the earth to other planetary bodies to see how similar, or different,
More informationWhat is it like? When did it form? How did it form. The Solar System. Fall, 2005 Astronomy 110 1
What is it like? When did it form? How did it form The Solar System Fall, 2005 Astronomy 110 1 Fall, 2005 Astronomy 110 2 The planets all orbit the sun in the same direction. The Sun spins in the same
More informationAS300-U1C2L2 - The Moon: Earth's Fellow Traveler Page 1
AS300-U1C2L2 - The Moon: Earth's Fellow Traveler Page 1 Name: Flight Date: 1 What was Aristarchus s map of the Earth, Sun, and Moon missing? A Scale B Relative size of the Earth, Moon and Sun C A geocentric
More informationThis document lists the relevant TEKS and Next Generation Science Standards for the Orbits and Super Planet Crash
1 of 5 SAVE/Point TEKS and NGSS Standards This document lists the relevant TEKS and Next Generation Science Standards for the Orbits and Super Planet Crash games. For more information, please visit the
More informationcrust meteorites crater
1 moon eclipses Word Splash Earth rotation tides revolution crust meteorites crater diameter Maria volcanoes molten gravitational ocean orbit phases terminator new moon wanes gravity waxes full eclipse
More informationForma2on of the Solar System Pearson Educa2on, Inc.
Forma2on of the Solar System The Search for Origins Our goals for learning: How did we arrive at a theory of solar system forma2on? Where did the solar system come from? How did we arrive at a theory of
More informationHNRS 227 Fall 2006 Chapter 13. What is Pluto? What is a Planet? There are two broad categories of planets: Terrestrial and Jovian
Key Points of Chapter 13 HNRS 227 Fall 2006 Chapter 13 The Solar System presented by Prof. Geller 24 October 2006 Planets Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune Dwarf Planets Pluto,
More informationTest 2 Result: Sec 1. To see the scantron & problem set, contact the TA: Mr. He Gao
Test 2 Result: Sec 1 Column Statistics for: Test2 Count: 103 Average: 31.4 Median: 32.0 Maximum: 46.0 Minimum: 10.0 Standard Deviation: 7.94 To see the scantron & problem set, contact the TA: Mr. He Gao
More information5. How did Copernicus s model solve the problem of some planets moving backwards?
MODELS OF THE SOLAR SYSTEM Reading Guide: Chapter 27.2 (read text pages 691-694) 1k. Recognize the cumulative nature of scientific evidence. 1n. Know that when an observation does not agree with an accepted
More informationASTRONOMY SNAP GAME. with interesting facts
ASTRONOMY SNAP GAME with interesting facts Sun Sun The Sun is the largest object in the solar system The Sun's life expectancy is approximately 5 billion more years At its core, the Sun s temperature is
More information22. 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 informationScience Skills Station
Science Skills Station Objective 1. Describe the relationship between the distance from the sun and temperature. 2. Make inferences about how temperature impacted the solar system formation. 3. Explain
More informationThe Cosmic Perspective Seventh Edition. Asteroids, Comets, and Dwarf Planets: Their Natures, Orbits, and Impacts. Chapter 12 Review Clickers
Review Clickers The Cosmic Perspective Seventh Edition Asteroids, Comets, and Dwarf Planets: Their Natures, Orbits, and Impacts Asteroids a) are rocky and small typically the size of a grain of rice or
More informationMoon 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 informationConstructing 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 informationPlanets: Name Distance from Sun Satellites Year Day Mercury 0.4AU yr 60 days Venus yr 243 days* Earth 1 1 yr 1 day Mars 1.
The Solar System (Ch. 6 in text) We will skip from Ch. 6 to Ch. 15, only a survey of the solar system, the discovery of extrasolar planets (in more detail than the textbook), and the formation of planetary
More informationFCAT 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 informationAstronomy Wed. Oct. 6
Astronomy 301 - Wed. Oct. 6 Guest lectures, Monday and today: Prof. Harriet Dinerstein Monday: The outer planets & their moons Today: asteroids, comets, & the Kuiper Belt; formation of the Solar System
More informationLecture 16. How did it happen? How long did it take? Where did it occur? Was there more than 1 process?
Planet formation in the Solar System Lecture 16 How did it happen? How long did it take? Where did it occur? Was there more than 1 process? Planet formation How do planets form?? By what mechanism? Planet
More informationOrigins and Formation of the Solar System
Origins and Formation of the Solar System 312-1 Describe theories on the formation of the solar system Smash, crash and bang The solar system is big, and big things have big origins A history of ideas
More informationCHAPTER 11. We continue to Learn a lot about the Solar System by using Space Exploration
CHAPTER 11 We continue to Learn a lot about the Solar System by using Space Exploration Section 11.1 The Sun page 390 -Average sized star -Millions of km away -300,000 more massive then Earth, 99% of all
More information23.1 The Solar System. Orbits of the Planets. Planetary Data The Solar System. Scale of the Planets The Solar System
23.1 The Solar System Orbits of the Planets The Planets: An Overview The terrestrial planets are planets that are small and rocky Mercury, Venus, Earth, and Mars. The Jovian planets are the huge gas giants
More informationAstronomy 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 informationSolar System Junk however, a large number of bodies were left over as Junk or the debris of planet building
Solar System Junk So far, we ve taken a brief look at the 8 planets of the solar system, their array of moons or natural satellites, and how we think such a system formed. Most of the material in the solar
More information1. Solar System Overview
Astronomy 241: Foundations of Astrophysics I 1. Solar System Overview 0. Units and Precision 1. Constituents of the Solar System 2. Motions: Rotation and Revolution 3. Formation Scenario Units Text uses
More informationAstronomy 103: First Exam
Name: Astronomy 103: First Exam Stephen Lepp October 27, 2010 Each question is worth 2 points. Write your name on this exam and on the scantron. 1 Short Answer A. What is the largest of the terrestrial
More information