Horizons: Exploring the Universe (MindTap Course List)
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 4, Problem 3P

Galileo’s telescopes were not of high quality by modern standards. He was able to see the moons of Jupiter, but he never reported seeing features on Mars. Use the small-angle formula to find the maximum angular diameter of Mars when it is closest to Earth. How does that compare with the maximum diameter of Jupiter? (Note: Useful data can be found in Appendix Table A-10.)

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Under ideal conditions and when Mars is closest, estimate the linear separation between two objects on Mars that can barely be resolved by (a) the naked eye and (b) the Hubble telescope (whose main mirror is 2.4 meters in diameter). (Hint: the answers are about 5000 km and 14 km)
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Horizons: Exploring the Universe (MindTap Course List)

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