An Introduction to Astrobiology
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An Introduction to Astrobiology
By Iain Gilmour, Mark A. SephtonThe Snowball Earth hypothesis considers an Earth that was globally frozen for periods of 10 Ma or more . Heat escaping from the Earth's interior prevents the oceans from freezing to the bottom . However , surface temperatures drop to ...
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An Introduction to Astrobiology
By Iain Gilmour, David A. Rothery, Mark A. SephtonThis updated third edition explores the origin and nature of life, habitable environments in our solar system and exoplanet discoveries.
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An Introduction to Astrobiology
By Iain Gilmour, David A. Rothery, Mark A. SephtonThis model suggests that the nitrogen is now present as N2 because it had been trapped as N2 when Titan was formed, and subsequently leaked out to join the atmosphere. Any original ammonia remained as a solid ice and was never released ...
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An Introduction to Astrobiology
By Iain Gilmour, David A. Rothery, Mark A. SephtonEthane was first detected in Ontario Lacus by Cassini's Visual and Infrared Mapping Spectrometer (VIMS) in 2008. The methane:ethane:nitrogen ratios for Ligeia Mare (Figure 5.18) and Ontario Lacus (Figure 5.19) have been estimated at ...
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An Introduction to Astrobiology
By Iain Gilmour, David A. Rothery, Mark A. SephtonThis new edition has been thoroughly revised to take into account the latest developments in this field.
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An introduction to astrobiology
By Mahesh AnandThis third edition has been thoroughly revised to embrace the latest developments in this field.