Chapter 7: Problem 41
Search the World Wide Web for information about impact craters on Earth. Where is the largest crater located? How old is it estimated to be? Which crater is closest to where you live?
Chapter 7: Problem 41
Search the World Wide Web for information about impact craters on Earth. Where is the largest crater located? How old is it estimated to be? Which crater is closest to where you live?
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Get started for freeThe absorption lines in the spectrum of a planet or satellite do not necessarily indicate the composition of the planet or satellite's atmosphere. Why not?
How does the size of a terrestrial planet influence the amount of cratering on the planet's surface?
Mars has two small satellites, Phobos and Deimos. Phobos circles Mars once every \(0.31891\) day at an average altitude of \(5980 \mathrm{~km}\) above the planet's surface. The diameter of Mars is \(6794 \mathrm{~km}\). Using this information, calculate the mass and average density of Mars.
. In what ways is Pluto similar to a terrestrial planet? In what ways is it different?
Imagine a trans-Neptunian object with roughly the same mass as Earth but located \(50 \mathrm{AU}\) from the Sun. (a) What do you think this object would be made of? Explain your reasoning. (b) On the basis of this speculation, assume a reasonable density for this object and calculate its diameter. How many times bigger or smaller than Earth would it be?
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