EBK THE COSMIC PERSPECTIVE
9th Edition
ISBN: 9780135161760
Author: Voit
Publisher: VST
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Textbook Question
Chapter 9, Problem 8EAP
Briefly summarize the geological history of the Moon. How did the lunar maria form?
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Students have asked these similar questions
Based on the physical aspects of Catena Mendeleev, what is the most plausible explanation for how crater chains are formed on the Moon?
a. these craters chains are formed by a series of impacts from a passing comet or asteroid that just passed to close too the Moon and ended up colliding with the Moon
b. they are the result of surface collapse due to the prescence of an underground fault
c. they are primarily the result of secondary fragments hitting the lunar surface from an initially from an larger impact fragment that resulted in another larger, distant crater
How many impacts would you expect to strike a 100m2 region in one hour during Earth’s formation, assuming that Earth grew to its present size in 10 million years from particles averaging 100 grams each? (Hint: Assume that Earth had its current radius of 6378km.) (Notes: The surface area of a sphere is 4pir2 ; 1yr=3.2x107 .)
a. About 1300.
b. About 13 .
c. About 13,000.
d. About 130
Hellas Planitia includes the word "planitia" which is the latin word for "plain" in its name.
The name would seem to indicate thats Hellas Planitia is a low lying plain, yet it is clearly a crater, and a very large one at that.
The most probable reason for this discrepancy in its name is because:
a. It is a simple naming error that for some reason has so far escaped correction.
b. There is a disagreement among astronomers about the true nature of Hellas Planitia.
c. Its true nature was not apparent over 100 years ago when it was observed using ground based telescopes.
d. Astronomers really know its true nature and misconceptions among the public among the public are not of great concern to them.
Chapter 9 Solutions
EBK THE COSMIC PERSPECTIVE
Ch. 9 - Prob. 1VSCCh. 9 - Use the following questions to check your...Ch. 9 - Use the following questions to check your...Ch. 9 - Use the following questions to check your...Ch. 9 - Describe the core-mantle-crust structures of the...Ch. 9 - Summarize the processes by which planetary...Ch. 9 - Why does Earth have a global magnetic field? Why...Ch. 9 - Define each of the four major geological...Ch. 9 - Prob. 5EAPCh. 9 - Why is the Moon so much more heavily cratered than...
Ch. 9 - Summarize the ways in which a terrestrial world’s...Ch. 9 - Briefly summarize the geological history of the...Ch. 9 - Briefly summarize the geological history of...Ch. 9 - Choose five features on the global map of Mars...Ch. 9 - Why isn’t liquid water stable on Mars today, and...Ch. 9 - Choose at least three major geological features of...Ch. 9 - What evidence tells us that Venus was “repaved”...Ch. 9 - Describe the conveyor-like action of plate...Ch. 9 - Briefly explain how each of the following...Ch. 9 - To what extent do we think the geologies of the...Ch. 9 - Surprising Discoveries? Suppose we were to make...Ch. 9 - Prob. 18EAPCh. 9 - Prob. 19EAPCh. 9 - Surprising Discoveries? Suppose we were to make...Ch. 9 - Prob. 21EAPCh. 9 - Prob. 22EAPCh. 9 - Prob. 23EAPCh. 9 - Prob. 24EAPCh. 9 - Prob. 25EAPCh. 9 - Prob. 26EAPCh. 9 - Prob. 27EAPCh. 9 - Surprising Discoveries? Suppose we were to make...Ch. 9 - Prob. 29EAPCh. 9 - Choose the best answer to each of the following....Ch. 9 - Choose the best answer to each of the following....Ch. 9 - Choose the best answer to each of the following....Ch. 9 - Prob. 33EAPCh. 9 - Choose the best answer to each of the following....Ch. 9 - Choose the best answer to each of the following....Ch. 9 - Choose the best answer to each of the following....Ch. 9 - Choose the best answer to each of the following....Ch. 9 - Prob. 38EAPCh. 9 - Mars Attracts. William Herschel, Giovanni...Ch. 9 - Prob. 41EAPCh. 9 - Prob. 42EAPCh. 9 - Prob. 43EAPCh. 9 - Prob. 44EAPCh. 9 - Dating Planetary Surfaces. We have discussed two...Ch. 9 - Comparative Erosion. Of Mercury, Venus, the Moon,...Ch. 9 - Miniature Mars. Suppose Mars had turned out to be...Ch. 9 - Change in Fundamental Properties. Choose one...Ch. 9 - Predictive Geology. Suppose another star system...Ch. 9 - Mystery Planet. It’s the year 2098, and you are...Ch. 9 - “Coolest” Surface Photo. Visit the Astronomy...Ch. 9 - Surface AreatoVolume Ratio. Compare the surface...Ch. 9 - Doubling Your Size. Just as the surface...Ch. 9 - Lunar Footprints. Assume that the Moon is hit by...Ch. 9 - Geological Proportions. Express the approximate...Ch. 9 - Internal vs. External Heating. In daylight,...Ch. 9 - Prob. 60EAPCh. 9 - More Plate Tectonics. Consider a seafloor...
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, physics and related others by exploring similar questions and additional content below.Similar questions
- What evidence can you cite that the Moon had volcanism? Does the Moon have volcanism today? How do you know?arrow_forwardOutline the main events in the Moon’s geological history.arrow_forwardIn the photo shown here, astronaut Alan Bean works at the Apollo 12 lander. Describe the horizon and the surface you see. What kind of terrain did they land on for this, the second human Moon landing, and why?arrow_forward
- Olympus Mons on Mars is an enormous volcano. In this image, you can see multiple calderas (craters) at the top. What do the numbers of calderas and the immense size of the volcano indicate about the geology of Mars?arrow_forwardProvide evidence to support a hypothesis about whether or not the Moon has plate tectonics.arrow_forwardThe surface of medium-sized moons provides us with information about the outer solar system. Which of these properties reveals that the outer regions of the solar system was once a very active location? a. the presence of dust Ob. the odd shape of the moons c. the presence of impact craters d. the presence of large cracks on the surface e. their icy surfaces Marrow_forward
- Why are Mercury and the Moon much more cratered than Earth? Explain how the number of craters indicates the age of a surface.arrow_forwardWhich planet has impact craters just scattered randomly over its entire surface? a. Mercury b. Venus c. Earth d. Mars 2. We hope to find evidence of past life on Venus by discovering fossils there someday. True Falsearrow_forwardIf we moved Venus out to 1 AU from the Sun (same as Earth), Venus would probably a. become more like Earth, with oceans and a temperate climate b. remain hot, dry, and dead because it's permanently lost its oceans c. become more like Mars, losing most of its atmosphere and freezing d. become much less geologically active due to decreased solar heatingarrow_forward
- Which of the following is least reasonable regarding impact craters? Group of answer choices The size and shape of the crater and the amount of material excavated depends on factors such as the velocity and mass of the impacting body and the geology of the surface. Craters are most often are circular but more elongate craters can be produced with impactors striking the surface at very low angles. The Moon has more craters than the Earth because of its strong tidal force on the impactors. Objects from space typically hit Earth at about 20 km/s ande produce craters that can be approximately 20 times larger in diameter than the impacting objects. The faster the incoming impactor, the larger the crater.arrow_forwardQUESTION 1 craziest year in Americar At what time of day might you see a full moon just rising above the eastern horizon? 6 PM noon 6 AM midnight QUESTION 2 Which type(s) of craters are visible on the Moon's surface? O volcanic craters only impact craters only both volcanic and impact craters QUESTION 3 Mare Highlands Based on the relative impact crater densities in the two types of lunar terrain, where would you expect to find the older rocks? O highlands mare (plural, maria!) QUESTION 4arrow_forwardQuestion: The current and most scientifically accurate theory for the formation of the Moon is: a.) The large impact theory. b.) The capture theory. c.) The fission theory. d.) The twin formation theory.arrow_forward
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