Universe
11th Edition
ISBN: 9781319039448
Author: Robert Geller, Roger Freedman, William J. Kaufmann
Publisher: W. H. Freeman
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Chapter 10, Problem 27Q
To determine
The similarities and dissimilarities between Moon rocks and Earth rocks.
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The 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
M
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
Why are Mercury and the Moon much more cratered than Earth?
Explain how the number of craters indicates the age of a surface.
Chapter 10 Solutions
Universe
Ch. 10 - Prob. 1CCCh. 10 - Prob. 2CCCh. 10 - Prob. 3CCCh. 10 - Prob. 4CCCh. 10 - Prob. 5CCCh. 10 - Prob. 1CLCCh. 10 - Prob. 1QCh. 10 - Prob. 2QCh. 10 - Prob. 3QCh. 10 - Prob. 4Q
Ch. 10 - Prob. 5QCh. 10 - Prob. 6QCh. 10 - Prob. 7QCh. 10 - Prob. 8QCh. 10 - Prob. 9QCh. 10 - Prob. 10QCh. 10 - Prob. 11QCh. 10 - Prob. 12QCh. 10 - Prob. 13QCh. 10 - Prob. 14QCh. 10 - Prob. 15QCh. 10 - Prob. 16QCh. 10 - Prob. 17QCh. 10 - Prob. 18QCh. 10 - Prob. 19QCh. 10 - Prob. 20QCh. 10 - Prob. 21QCh. 10 - Prob. 22QCh. 10 - Prob. 23QCh. 10 - Prob. 24QCh. 10 - Prob. 25QCh. 10 - Prob. 26QCh. 10 - Prob. 27QCh. 10 - Prob. 28QCh. 10 - Prob. 29QCh. 10 - Prob. 30QCh. 10 - Prob. 31QCh. 10 - Prob. 32QCh. 10 - Prob. 33QCh. 10 - Prob. 34QCh. 10 - Prob. 35QCh. 10 - Prob. 36QCh. 10 - Prob. 37QCh. 10 - Prob. 38QCh. 10 - Prob. 39QCh. 10 - Prob. 40QCh. 10 - Prob. 41QCh. 10 - Prob. 42QCh. 10 - Prob. 43Q
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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
- How Do We Know? How can the flow of energy out of a planets interior affect its surface and atmosphere?arrow_forwardHow do terrestrial and giant planets differ? List as many ways as you can think of.arrow_forwardWhat are the difficulties with the capture hypothesis of the Moon’s origin?arrow_forward
- We believe that chains of comet fragments like Comet Shoemaker-Levy 9’s have collided not only with the jovian planets, but occasionally with their moons. What sort of features would you look for on the outer planet moons to find evidence of such collisions? (As an extra bonus, can you find any images of such features on a moon like Callisto? You can use an online site of planetary images, such as the Planetary Photojournal, at photojournal.jpl.nasa.gov.)arrow_forwardWhat is the frost line in the solar nebula? Explain how temperature differences led to the formation of two distinct types of planets.arrow_forwardFigure 8 shows one of the volcanoes on Venus. What information can be gathered from this figure about the planet’s surface activity?arrow_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: 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_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_forward
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