Astronomy
1st Edition
ISBN: 9781938168284
Author: Andrew Fraknoi; David Morrison; Sidney C. Wolff
Publisher: OpenStax
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Textbook Question
Chapter 12, Problem 1E
What are the moons of the outer planets made of, and how is their composition different from that of our Moon?
Expert Solution & Answer
To determine
The composition of the moons of the outer planets and the difference between their composition and our Moon’s composition.
Explanation of Solution
Introduction:
The first four planets of our solar system nearest to the Sun, that is, Mercury, Venus, Earth, and Mars lies inside the asteroid belt and are called the inner planets. The rest of the planets lie outside the asteroid belt and are called the outer planets. Moons are the natural satellites which revolve around the planets. The temperature of the outer planets and their moons is relatively very low due to the greater distance from the Sun.
The moons of the outer planets are composed of ice and rocks as their temperature is significantly low and due to this, the ice formation takes place easily. This ice is available in large quantity as the building material for the moons of the outer planets.
The composition of the moons of the outer planets differ from that of our Moon as the moons of outer planets are mainly composed of ice and rocks, whereas our Moon is mainly composed of rock only. Our Moon is situated closer to the Sun due to which, it does not have enough ice formation on it.
Conclusion:
Thus, the moons of the outer planets are composed of ice and rocks, whereas our Moon is mainly composed of rock only.
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Chapter 12 Solutions
Astronomy
Ch. 12 - What are the moons of the outer planets made of,...Ch. 12 - Compare the geology of Callisto, Ganymede, and...Ch. 12 - What is the evidence for a liquid water ocean on...Ch. 12 - Explain the energy source that powers the...Ch. 12 - Compare the properties of Titan’s atmosphere with...Ch. 12 - How was Pluto discovered? Why did it take so long...Ch. 12 - How are Triton and Pluto similar?Ch. 12 - Describe and compare the rings of Saturn and...Ch. 12 - Why were the rings of Uranus not observed directly...Ch. 12 - List at least three major differences between...
Ch. 12 - The Hubble Space Telescope images of Pluto in 2002...Ch. 12 - Saturn’s E ring is broad and thin, and far from...Ch. 12 - Why do you think the outer planets have such...Ch. 12 - Ganymede and Callisto were the first icy objects...Ch. 12 - Compare the properties of the volcanoes on Io with...Ch. 12 - Would you expect to find more impact craters on Io...Ch. 12 - Why is it unlikely that humans will be traveling...Ch. 12 - Why do you suppose the rings of Saturn are made of...Ch. 12 - Suppose you miraculously removed all of Saturn’s...Ch. 12 - We have a lot of good images of the large moons of...Ch. 12 - In the Star Wars movie Star Wars Episode VI:...Ch. 12 - Which would have the longer orbital period: a moon...Ch. 12 - How close to Uranus would a spacecraft have to get...Ch. 12 - Saturn’s A, B, and C Rings extend 75,000 to...Ch. 12 - Use the information in Appendix G to calculate...Ch. 12 - The average distance of Enceladus from Saturn is...
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