Solutions for EBK LIFE IN THE UNIVERSE
Problem 1RQ:
Briefly summarize the evidence, both real and imagined, that had led to widespread belief in a...Problem 2RQ:
What would it be like to walk on Mars today? Briefly discuss the conditions you would experience.Problem 3RQ:
Why isnt liquid water stable at the martian surface today? What happens to water ice that melts on...Problem 4RQ:
How do martian seasons differ from Earth seasons? Describe major seasonal changes that occur on...Problem 6RQ:
How do we know that different regions of the martian surface date to different eras in the past?...Problem 7RQ:
Summarize the evidence suggesting that Mars must have been warm and wet, possibly with rainfall, in...Problem 8RQ:
What evidence suggests that water might still flow at or beneath the martian surface today? Why do...Problem 9RQ:
Why do we conclude that Mars must once have had a thicker atmosphere with a stronger greenhouse...Problem 10RQ:
What is the leading hypothesis concerning how Mars lost its once-thick atmosphere? What role does...Problem 11RQ:
How and why does Marss axis tilt change with time, and how do these changes affect the climate?Problem 12RQ:
Based on all the geographic and geological evidence, summarize the current view about the past and...Problem 13RQ:
Briefly summarize the Viking experiments and their results. Do the results constitute evidence of...Problem 14RQ:
What is the potential significance of atmospheric methane to the search for life on Mars?Problem 15RQ:
Briefly summarize plans for Mars exploration over the next few years. Why do we send missions to...Problem 16RQ:
Discuss the issue of biological contamination in either direction between Earth and Mars. How...Problem 17RQ:
Summarize the scientific pros and cons of sending humans to Mars. What other considerations are...Problem 18RQ:
What do we mean by terraforming Mars? Is it something we could do within our lifetimes?Problem 19RQ:
How do we know that ALH84001 really came from Mars, and how have we learned its history?Problem 20RQ:
Briefly summarize the possible evidence of past life discovered in studies of martian meteorites and...Problem 21TYU:
The first human explorers on Mars discover that the surface is littered with the ruins of an ancient...Problem 24TYU:
We discover that Mars was subjected to global, heavy rainfall less than 1 billion years ago.Problem 26TYU:
We find a lake of liquid water filling a small crater close to one of the dry river channels.Problem 28TYU:
A sample return mission finds fossil evidence not only of martian microbes, but also of...Problem 29TYU:
We discover that the martian polar caps have in the past extended more than twice as far toward the...Problem 30TYU:
We find rocks on Mars showing clearly that the planet once had a global magnetic field nearly as...Problem 31TYU:
When we say that liquid water is unstable on Mars, we mean that (a) a cup of water would shake...Problem 32TYU:
Marss seasonal winds are driven primarily by (a) dust; (b) vaporization of carbon dioxide ice; (c)...Problem 33TYU:
Olympus Mons is (a) a giant volcano; (b) a huge canyon network; (c) a continent-size plateau.Problem 34TYU:
We can recognize the oldest surface regions of Mars by the fact that they have (a) the most impact...Problem 35TYU:
Minerals in surface rock studied by the martian rovers seem to tell us that (a) they formed in...Problem 36TYU:
Rivers on Mars (a) have never existed; (b) existed in the past but are dry today; (c) continue to...Problem 37TYU:
Which must be true if Mars was warmer and wetter in the past? (a) Mars was once closer to the Sun....Problem 38TYU:
Which of the following fundamental properties of Mars could explain why it once had a global...Problem 39TYU:
According to the leading hypothesis, if Mars once had much more carbon dioxide in its atmosphere,...Problem 40TYU:
The Viking experiments found (a) no evidence of life on Mars; (b) clear evidence of life on Mars;...Problem 41POS:
The Role of the Martians. Percival Lowell may have been sadly mistaken in his beliefs about...Problem 42POS:
Learning from Past Mistakes. The Viking missions landed on Mars about 40 years ago, with ambitious...Problem 44IF:
Hold Your Breath. If you held your breath, would it be safe to walk outside on Mars? Why or why not?Problem 45IF:
Miniature Mars. Suppose Mars were significantly smaller than its current sizesay, the size of our...Problem 46IF:
Larger Mars. Suppose Mars were significantly larger than its current sizesay, the same size as...Problem 47IF:
Civilization on Mars. Based on what we can see on the surface of Mars, does it seem possible that...Problem 48IF:
Martian Fossil Hunting. On Earth, we cannot find fossil evidence of life dating to times prior to...Problem 49IF:
Future Landing Site. Suppose you were in charge of a mission designed to land on Mars. Assume the...Problem 50IF:
Terraforming Mars. Make a list of the pros and cons of terraforming Mars, assuming that it is...Problem 51IF:
Mars Movie Review. Watch one of the many science fiction movies that concern trips to Mars. In light...Problem 53IF:
Interior Heat. Compare the surface areatovolume ratios (that is, total surface area divided by total...Problem 55IF:
Atmospheric Mass of Earth. What is the total mass of Earths atmosphere? Use the fact that, under...Problem 56IF:
Atmospheric Mass of Mars. The weaker gravity of Mars means that 1 bar of pressure on Mars would be...Problem 57IF:
Past Gas on Mars. Models suggest that Mars today could have liquid water on its surface if the...Problem 58IF:
Lessons from Mars. Discuss the nature of the climate change that occurred on Mars some 3 billion...Problem 59IF:
Human Exploration of Mars. Should we send humans to Mars? If so, when? How much would you be willing...Browse All Chapters of This Textbook
Chapter 1 - A Universe Of Life?Chapter 2 - The Science Of Life In The UniverseChapter 3 - The Universal Context Of LifeChapter 4 - The Habitability Of EarthChapter 5 - The Nature Of Life On EarthChapter 6 - The Origin And Evolution Of Life On EarthChapter 7 - Searching For Life In Our Solar SystemChapter 8 - MarsChapter 9 - Life On Jovian MoonsChapter 10 - The Nature And Evolution Of Habitability
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LIFE IN THE UNIVERSE
5th Edition
ISBN: 9780691241784
Life in the Universe, 5th Edition
5th Edition
ISBN: 9780691241791
LIFE ON THE UNIVERSE
4th Edition
ISBN: 9780134287614
Life in the Universe (4th Edition)
4th Edition
ISBN: 9780134089089
Mastering Astronomy with Pearson eText -- Standalone Access Card -- for Life in the Universe (4th Edition)
4th Edition
ISBN: 9780134081823
INSTANT ACCESS FOR LIFE IN THE UNIVERSE
4th Edition
ISBN: 9780134081670
Pearson Etext Life In The Universe -- Access Card (4th Edition)
4th Edition
ISBN: 9780135234204
LIFE ON THE UNIVERSE
4th Edition
ISBN: 2818440044540
LIFE ON THE UNIVERSE
4th Edition
ISBN: 2818440068942
EBK LIFE IN THE UNIVERSE
4th Edition
ISBN: 8220101460417
Life in the Universe Plus Mastering Astronomy with Pearson eText -- Access Card Package (4th Edition) (Bennett Science & Math Titles)
4th Edition
ISBN: 9780134068404
Modified MasteringAstronomy with Pearson eText -- ValuePack Access Card -- for Life in the Universe
4th Edition
ISBN: 9780134081632
Pearson eText Life in the Universe -- Instant Access (Pearson+)
4th Edition
ISBN: 9780135234457
Life in the Universe, Books a la Carte Plus Mastering Astronomy with Pearson eText -- Access Card Package (4th Edition)
4th Edition
ISBN: 9780134394411
Life in the Universe, Books a la Carte Edition (4th Edition)
4th Edition
ISBN: 9780134287621
Life in the Universe - With Activity Manual and Access
4th Edition
ISBN: 9780134575599
Life in the Universe
4th Edition
ISBN: 9780134080345
Life In The Universe & Activities Manual For Life In The Universe 3/e Package (3rd Edition)
3rd Edition
ISBN: 9780321777997
Life in the Universe
3rd Edition
ISBN: 9780321687678
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