Mercury, traveling in its 88-day-long orbit around the Sun with basically zero axial tilt, has many craters at its poles whose insides literally never see the light of day. These permanently-shadowed locations have been found ...
Space Exploration
Apr 26, 2013
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From encouraging the first steps of life migrating from the oceans to the land, to stabilising Earth's axial tilt against chaotic excursions, the moon is often put forth almost as a magical ingredient – a prerequisite for ...
Space Exploration
Mar 29, 2013
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Highly-tilted worlds would have extreme seasons, subjecting life to alternating periods of scorching and subzero temperatures. This could make the development of all but hardiest, simplest creatures a long shot.
Space Exploration
Feb 6, 2012
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