Horizons: Exploring the Universe (MindTap Course List)
14th Edition
ISBN: 9781305960961
Author: Michael A. Seeds, Dana Backman
Publisher: Cengage Learning
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Chapter 16, Problem 2DQ
To determine
The reason for lunar mountains is less jagged than mountains on Earth.
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Students have asked these similar questions
Why are the lunar mountains smooth and rounded rather than having sharp, pointed peaks?
A. Because a sheet of ice once covered the moon’s surface billions of years ago.
B. Because they rose up from beneath the Moon’s surface due to an increase in pressure from its hot core billions of years ago
C. Because micro meteorites impacts have caused their gradual erosion
D. Because the moon once had sulfuric acid clouds long ago
The lunar soil (regolith) is chemically very different from Earth soil, because
recent geological activity on the Moon has changed the consistency of the lunar soil
the solar wind has affected the composition of the lunar soil
the Moon is so cold that the soil chemistry is distinct from Earth's
the airless moon's surface has been continuously bombarded by micrometeorites for billions of years
The Apollo 1 fire was the first time that American astronauts died during a routine training exercise.
True
False
Chapter 16 Solutions
Horizons: Exploring the Universe (MindTap Course List)
Ch. 16 - Why would you include the Moon in a comparison of...Ch. 16 - In what ways is Earth unique among the Terrestrial...Ch. 16 - What are the four stages of planetary development?Ch. 16 - How do you know that Earth differentiated?Ch. 16 - How are earthquakes in Hawaii different from those...Ch. 16 - Prob. 6RQCh. 16 - How do island chains located in the centers of...Ch. 16 - Prob. 8RQCh. 16 - H does the increasing abundance of CO2 in Earth’s...Ch. 16 - Why would a decrease in the density of the ozone...
Ch. 16 - Prob. 11RQCh. 16 - Prob. 12RQCh. 16 - Prob. 13RQCh. 16 - How Do We Know? Why is heat flow the key to...Ch. 16 - How Do We Know? In what ways have scientists been...Ch. 16 - Prob. 1DQCh. 16 - Prob. 2DQCh. 16 - Assume P waves travel at 10 km/s and S waves...Ch. 16 - Earth’s metallic core has about 55% of the...Ch. 16 - Prob. 3PCh. 16 - Prob. 4PCh. 16 - Prob. 5PCh. 16 - Earth is four times lager in diameter than its...Ch. 16 - The smallest detail visible through Earth-based...Ch. 16 - Prob. 1LTLCh. 16 - Prob. 2LTLCh. 16 - Prob. 3LTLCh. 16 - Prob. 4LTLCh. 16 - Prob. 5LTL
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- Why are the lunar mountains smoothly rounded rather than having sharp, pointed peaks (as they were almost always depicted in science-fiction illustrations and films before the first lunar landings)?arrow_forwardWhat evidence would you expect to find on the Moon if the Moon had been subjected to plate tectonics? Is there such evidence?arrow_forwardWe have seen how Mars can support greater elevation differences than Earth or Venus. According to the same arguments, the Moon should have higher mountains than any of the other terrestrial planets, yet we know it does not. What is wrong with applying the same line of reasoning to the mountains on the Moon?arrow_forward
- The Moon did not pass through all of the four stages of planetary development. True or false? Explain your answer.arrow_forwardProvide evidence to support a hypothesis about whether or not the Moon has plate tectonics.arrow_forwardWhat property of the Moon and Mercury has resulted in almost complete cessation of surface evolution on both those worlds, whereas Earths surface evolution continues?arrow_forward
- Why are there so many craters on the Moon and so few on Earth?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_forwardWhy are features like the Moons maria not observed on Mercury?arrow_forward
- How did our exploration of the Moon differ from that of Mercury (and the other planets)?arrow_forwardThe lunar highlands have about ten times more craters in a given area than do the maria. Does this mean that the highlands are 10 times older? Explain your reasoning.arrow_forwardWith no wind or water erosion of rocks, what is the mechanism for the creation of the lunar “soil?”arrow_forward
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