11 new solar systems, Kepler
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 Apr 1 2012, 05:35 PM, updated 14y ago
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#1
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Junior Member
226 posts Joined: Feb 2012 
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Spaceflight Now | Breaking News | Kepler finds 11 new solar systems beyond our own
Cool on this part "One of the stars, named Kepler-33, has five planets slightly larger than Earth orbiting closer than Mercury to the sun. " Space give us one marvel after the other. And if I'm not mistaken, considering Kepler need 3 "positive" detections of a planet orbiting a sun before confirming it, the announcement of a few rocky planets in the habitable zone (goldilocks) around suns similar/same category to ours is like...NOW.  |
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Apr 2 2012, 11:44 AM
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#2
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Junior Member
226 posts Joined: Feb 2012
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QUOTE(dkk @ Apr 2 2012, 12:15 AM) But are they really planets? (According to the definition that got Pluto kicked out) Actually Habitable zones are not stable. Over the life of a star, the nature of the zone moves and changes. Definitions of Habitable zones are used in the Search for Extra-Terrestrial Intelligence. If they're orbiting closer than Mercury, and they are still in the Goldilocks zone, that would mean the star is much smaller.  |
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