Life in the Universe (4th Edition)
4th Edition
ISBN: 9780134089089
Author: Jeffrey O. Bennett, Seth Shostak
Publisher: PEARSON
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Textbook Question
Chapter 10, Problem 56IF
Atmospheric Mass of Venus. The atmospheric pressure on Venus is 90 bars. What is the total mass of Venus’s atmosphere? You may use the fact that 1 bar is the pressure exerted by 10,000 kilograms pushing down on a square meter in Earth’s gravity, and assume that Venus’s gravity is essentially the same as Earth’s.
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Chapter 10 Solutions
Life in the Universe (4th Edition)
Ch. 10 - What is a habitable zone, and how is the idea...Ch. 10 - Describe several ways in which it may be possible...Ch. 10 - Why do we think that Venus should have outgassed...Ch. 10 - How much water is present on Venus today? How do...Ch. 10 - What is a runaway greenhouse effect, and why did...Ch. 10 - Could Venus ever have had oceans and, if so, could...Ch. 10 - How do we expect the habitable zones of brighter...Ch. 10 - Why is planetary size important to habitability?...Ch. 10 - What factors besides size and distance from the...Ch. 10 - What factors affect the location of the inner...
Ch. 10 - What factors affect the location of the outer...Ch. 10 - Why does the Sun gradually brighten, and how does...Ch. 10 - How and when will Earth become uninhabitable? Why?...Ch. 10 - Briefly describe the eventual fates of the Sun and...Ch. 10 - How do we determine global average temperatures...Ch. 10 - What do ice core data tell us about the past...Ch. 10 - What is the role of climate modeling in...Ch. 10 - Describe several potential consequences of global...Ch. 10 - Decide whether each statement makes sense or does...Ch. 10 - Decide whether each statement makes sense or does...Ch. 10 - Venus is not in the habitable zone now, but a few...Ch. 10 - Decide whether each statement makes sense or does...Ch. 10 - Decide whether each statement makes sense or does...Ch. 10 - Prob. 24TYUCh. 10 - Decide whether each statement makes sense or does...Ch. 10 - Prob. 26TYUCh. 10 - Decide whether each statement makes sense or does...Ch. 10 - Prob. 28TYUCh. 10 - The habitable zone refers to (a) the regions of a...Ch. 10 - A planet that is not within a habitable zone...Ch. 10 - Choose the best answer to each of the following....Ch. 10 - Choose the best answer to each of the following....Ch. 10 - Choose the best answer to each of the following....Ch. 10 - Choose the best answer to each of the following....Ch. 10 - Choose the best answer to each of the following....Ch. 10 - Prob. 36TYUCh. 10 - Prob. 37TYUCh. 10 - Choose the best answer to each of the following....Ch. 10 - Science with Consequences. A small but vocal group...Ch. 10 - The Habitable Zone. Considering the possibility...Ch. 10 - Are Habitable Zone Planets Common? Based on what...Ch. 10 - No Plate Tectonics. Suppose plate tectonics...Ch. 10 - Continuously Habitable Zone. Is Earth in a zone...Ch. 10 - Planetary Changes. Write two or three paragraphs...Ch. 10 - Venuss History. Many people are not surprised to...Ch. 10 - Habitable Moons. As well discuss in Chapter 11,...Ch. 10 - Greenhouse Lessons. While it seems unlikely that...Ch. 10 - Global Warming. Briefly summarize the evidence...Ch. 10 - Massive Stellar Habitable Zone. Consider a star...Ch. 10 - Strength of Sunlight at Venus and Mars. The solar...Ch. 10 - Atmospheric Mass of Venus. The atmospheric...Ch. 10 - Prob. 58IFCh. 10 - The Politics of Global Warming. The current...Ch. 10 - Dealing with Uncertainty. One of the difficulties...
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- Why do small planets cool faster than large planets? Choose any two of the five Terrestrial worlds and calculate for each one the ratio of its surface area to its volume. Why is this ratio important? (Hint: Does this ratio have anything to do with the ability of a planet to lose internal heat?) (Note: The surface area of a sphere is 4r2, and the volume of a sphere is 43r3.)arrow_forwardThe runaway greenhouse effect and its inverse, the runaway refrigerator effect, have led to harsh, uninhabitable conditions on Venus and Mars. Does the greenhouse effect always cause climate changes leading to loss of water and life? Give a reason for your answer.arrow_forwardOne source of information about Mars has been the analysis of meteorites from Mars. Since no samples from Mars have ever been returned to Earth from any of the missions we sent there, how do we know these meteorites are from Mars? What information have they revealed about Mars?arrow_forward
- How might Venus’ atmosphere have evolved to its present state through a runaway greenhouse effect?arrow_forwardSuppose that, decades from now, NASA is considering sending astronauts to Mars and Venus. In each case, describe what kind of protective gear they would have to carry, and what their chances for survival would be if their spacesuits ruptured.arrow_forwardWhat evidence is there that Venus was volcanically active about 300600 million years ago?arrow_forward
- How long would radio signals take to travel from Earth to Venus and back if Venus were at its nearest point to Earth? At its farthest point from Earth? (Notes: The speed of light is 3.00 108 m/s. Necessary data to derive the distances between the objects in those two situations are given in the Celestial Profiles for Earth in Chapter 19 and Venus in this chapter.)arrow_forwardSummarize the origin and evolution of the atmospheres of Venus, Earth, and Mars.arrow_forwardHow can a planet’s atmosphere affect the width of the habitable zone in its planetary system?arrow_forward
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