Life in the Universe (4th Edition)
4th Edition
ISBN: 9780134089089
Author: Jeffrey O. Bennett, Seth Shostak
Publisher: PEARSON
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Chapter 9, Problem 40IF
Exploring Europa II. One suggestion for determining whether Europa has life is to send an orbiter that passes close to the surface of the planet, drops a “bowling ball” that makes a crater on the surface, and then catches the ice thrown up by the impact. This sample ice would be brought back to Earth for analysis. Briefly describe what we would be looking for in such an experiment and what it might teach us. How do you think the cost of such a mission to Europa would compare to, say, that of a mission that orbits but does not return to Earth? Explain.
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Chapter 9 Solutions
Life in the Universe (4th Edition)
Ch. 9 - Briefly explain how the larger jovian moons tend...Ch. 9 - Briefly describe the cause of the tides on Earth,...Ch. 9 - What is synchronous rotation, and why is it so...Ch. 9 - What is tidal heating? Briefly explain how it can...Ch. 9 - Describe the evidence suggesting that Europa has a...Ch. 9 - What energy sources might be available to life on...Ch. 9 - Describe the evidence for subsurface oceans on...Ch. 9 - Why was Titan chosen for such intense study by the...Ch. 9 - Based on recent data, describe the general nature...Ch. 9 - What evidence suggests that Enceladus might be...
Ch. 9 - Could Triton be habitable? Briefly discuss the...Ch. 9 - What do we mean by chemical equilibrium and...Ch. 9 - Prob. 13RQCh. 9 - Based on our understanding of the chemistry of...Ch. 9 - Io is riddled with volcanoes because of its...Ch. 9 - Europa is likely to have fishlike organisms the...Ch. 9 - While Europa, Ganymede, and Callisto are all...Ch. 9 - The fact that our Moon keeps one side always...Ch. 9 - Titan is simply too cold to have any life.Ch. 9 - Triton might have life that uses liquid ammonia,...Ch. 9 - Io doesnt have a significant atmosphere because it...Ch. 9 - Orbital resonances like those among Io, Europa,...Ch. 9 - If there is life on Enceladus, it probably gets...Ch. 9 - If our solar system is typical, other star systems...Ch. 9 - The moons of Saturn may have large amounts of...Ch. 9 - Which statement about synchronous rotation is...Ch. 9 - Io is covered in volcanoes while Europa is covered...Ch. 9 - Which of the following is not an indication of...Ch. 9 - Photosynthesis is an unlikely source of energy for...Ch. 9 - Its assumed that, even if Europa has life, the...Ch. 9 - The chances for life on Titans surface are...Ch. 9 - Where might we find liquid water on Titan? (a) in...Ch. 9 - Why were scientists so surprised to find active...Ch. 9 - Chemical disequilibrium is likely to be present in...Ch. 9 - Cost-Effective Exploration. Given its budget, NASA...Ch. 9 - Lessons for Life. Considering everything weve...Ch. 9 - Exploring Europa I. Although Europa is a promising...Ch. 9 - Exploring Europa II. One suggestion for...Ch. 9 - Europan Fish. On Earth, fish breathe oxygen that...Ch. 9 - Life on Titan. Several possibilities have been...Ch. 9 - Migrating Life. As we discussed in Chapter 6,...Ch. 9 - Orbital Resonances I. Using the data in Appendix...Ch. 9 - Orbital Resonances II. Using the data in Appendix...Ch. 9 - Tidal Force on the Moon. In Cosmic Calculations...Ch. 9 - Tidal Force on Io. Using the procedure from Cosmic...Ch. 9 - Tidal Force on Europa and Ganymede. Using the...Ch. 9 - Limited Thinking. Throughout this book, we have...Ch. 9 - Europa Orbiter. Find out the current status of...
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