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View Full Version : Just How Earthlike is this New Planet?



Fraser
2005-Sep-08, 04:37 AM
SUMMARY: When the recent discovery of a planet orbiting Gliese 876 was announced by astronomers, much of the interest focused on how "Earthlike" it is. So, just how like our home planet is it? Well... not very. For starters, the planet orbits only .021 the distance from the Earth to the Sun, and whips around its star once every 2 days. It has 6-8 times the mass of the Earth, so the gravity would be crushing for any potential life, not to mention the terrible radiation exposure from being so close to its parent star.

View full article (http://www.universetoday.com/am/publish/how_earthlike_rocky_planet.html)
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