Integrated Science
7th Edition
ISBN: 9780077862602
Author: Tillery, Bill W.
Publisher: Mcgraw-hill,
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Chapter 13, Problem 12CQ
To determine
The possibilities of life on Mars using the properties of planets other than Earth.
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List the evidence that suggests the past (and possibly present) existence of liquid water onthe surface of Mars
Which of the following properties of Mars would be altered by the process of terraforming?
its size
its atmospheric chemistry
its distance from the Sun
its geological activity
its magnetic field
Even if we were to terraform Mars to give it an Earthlike climate, that climate would not be as stable as Earth's, due to Mars's lack of
a large moon
volcanic activity
an iron core
atmospheric nitrogen
Part of the "Mars Direct" mission plan involves rotating the spacecraft on its way to Mars to provide the astronauts with a simulation of Martian gravity.
True
False
Due to the need to catch the correct launch window for the trip home, the total duration for a round trip to Mars will have to be
at most 18 months
at least 18 months
at least 30 months
at most 12 months
at least 24 months
Chapter 13 Solutions
Integrated Science
Ch. 13.1 - Prob. 1SCCh. 13.1 - Prob. 2SCCh. 13.1 - Prob. 3SCCh. 13.1 - Prob. 4SCCh. 13.1 - Prob. 5SCCh. 13.2 - Prob. 6SCCh. 13.2 - Prob. 7SCCh. 13.3 - Prob. 8SCCh. 13.3 - Prob. 9SCCh. 13.3 - Prob. 10SC
Ch. 13 - Describe the protoplanet nebular model of the...Ch. 13 - What are the basic differences between the...Ch. 13 - Prob. 3CQCh. 13 - Prob. 4CQCh. 13 - Prob. 5CQCh. 13 - Prob. 6CQCh. 13 - Prob. 7CQCh. 13 - Prob. 8CQCh. 13 - Prob. 9CQCh. 13 - Prob. 10CQCh. 13 - Prob. 11CQCh. 13 - Prob. 12CQCh. 13 - Prob. 13CQCh. 13 - Prob. 14CQCh. 13 - Prob. 15CQCh. 13 - Prob. 16CQCh. 13 - Prob. 17CQCh. 13 - Prob. 18CQCh. 13 - Prob. 19CQCh. 13 - What are the significant similarities and...Ch. 13 - Prob. 21CQCh. 13 - Prob. 22CQCh. 13 - Prob. 23CQCh. 13 - Prob. 24CQCh. 13 - Prob. 25CQCh. 13 - Prob. 1PEACh. 13 - Prob. 2PEACh. 13 - Prob. 3PEACh. 13 - Prob. 4PEACh. 13 - Prob. 5PEACh. 13 - Prob. 6PEACh. 13 - Prob. 1PEBCh. 13 - Prob. 2PEBCh. 13 - Prob. 3PEBCh. 13 - Prob. 4PEBCh. 13 - Prob. 5PEBCh. 13 - Prob. 6PEB
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- Is it likely that life ever existed on either Venus or Mars? Justify your answer in each case.arrow_forwardWhy is life unlikely to be found on the surface of Mars today?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_forward
- How was the Mars Odyssey spacecraft able to detect water on Mars without landing on it?arrow_forwardWhere in the solar system (and beyond) have scientists found evidence of organic molecules?arrow_forwardIf we do find life on Mars, what might be some ways to check whether it formed separately from Earth life, or whether exchanges of material between the two planets meant that the two forms of life have a common origin?arrow_forward
- Why are scientists confident Earth has never been visited by aliens?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_forwardWhy is the simultaneous detection of methane and oxygen in an atmosphere a good indication of the existence of a biosphere on that planet?arrow_forward
- Explain the runaway refrigerator effect and the role it may have played in the evolution of Mars.arrow_forwardWhat kind of evidence do you think would convince astronomers that an extraterrestrial spacecraft has landed on Earth?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
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