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 55WP
Europa Orbiter. Find out the current status of NASA’s plans to send a mission to study Europa. What will the mission do? When will it be launched? What are its science goals? Write a one- to two-page summary of your findings.
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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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- Investigate plans for future study of Europa’s ocean, either from Earth or with spacecraft. How might they help us learn whether Europa really has an ocean?arrow_forwardQuestion 7 What type of mission collects information about multiple planets? Sample returns. Rovers. Flybys. Atmospheric probes. Question 8 Why are neutrinos so difficult to detect? There are very few of them, so collecting enough to study takes a long time. They are theoretical and may not exist. They move so fast they pass right through the telescope. They don't interact strongly with matter, so they will not cause a reaction on a CCD imager.arrow_forwardActivity 2. Quest for Escape planet. Study and analyze the illustrations and determine whether the statements below are true or false. The speedometer readings in every spacecraft show the escape velocities of each Mercury nspater 10 4 turn Venus 11 2 Ur arus farth Neptune Mars rwan TRUE or FALSE 1. A spacecraft must attain a speed of 11.2 km/s to leave the Earth's surface. 2. It is easier to leave the surface of Jupiter than Earth. 3. Escape velocity is affected by the planet's mass. 4. Mars has smaller escape velocity than Venus and Earth because it is farther from the sun. 5. The escape velocity of a planet is not affected by the sun's warping of space- time.arrow_forward
- Impact Energy. Consider a comet about 2 kilometers across with a mass of 4 × 1012 kg. Assume that it crashes into Earth at a speed of 30,000 meters per second (about 67,000 miles per hour). a. What is the total energy of the impact, in joules? (Hint: The kinetic energy formula tells us that the impact energy in joules will be 1 × m × v2, where 2 m is the comet’s mass in kilograms and v is its speed in meters per second.) b. A 1-megaton nuclear explosion releases about 4 × 1015 joules of energy. How many such nuclear bombs would it take to release as much energy as the comet impact? c. Based on your answers, comment on the degree of devastation the comet might cause.arrow_forwardDescribe Titan's atmosphere. What did the Cassini/Huygens mission discover about the surface of Titan?arrow_forwardTitle 1. Why are the belts and zones on Saturn less distinct than those on Jupiter? 2. Why do astronomers. Description 1. Why are the belts and zones on Saturn less distinct than those on Jupiter? 2. Why do astronomers conclude that none of the Jovian planets' rings can be left over from the formation of the planets? 3. How can a moon produce a gap in a planetary ring system?arrow_forward
- The principle cause of our intense interest in Mars in the decades before the dawn of the space age was that Answers: A. a few astronomers believed that they saw evidence of an intelligent civilization on Mars. B. Mars has seasons just like the Earth and therefore should be inhabitable by humans. C. Mars has an unusual surface color and global dust storms, creating strange weather patterns. D. Mars has unusual orbital properties making our understanding of its motion around the Sun very difficult.arrow_forwardGiven what you've learned about the solar nebula idea, what do you believe the likelihood is of discovering livable planets in other solar systems? Learn more about this search by visiting NASA's Kepler mission and writing a half-page overview of the project.arrow_forwardWhat is comparative planetology and why is it useful to astronomers?arrow_forward
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