News tagged with rocky planets
Solar systems around dead Suns?
Apr 20, 2009 |
4.5 / 5 (15) |
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(PhysOrg.com) -- Using NASA’s Spitzer Space Telescope, an international team of astronomers have found that at least 1 in 100 white dwarf stars show evidence of orbiting asteroids and rocky planets, suggesting ...
Superior Super Earths
Space & Earth / Space Exploration
Nov 30, 2009 |
4.8 / 5 (49) |
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Super Earths are named for their size, but these planets - which range from about 2 to 10 Earth masses - could be superior to the Earth when it comes to sustaining life. They could also provide an answer to ...
Kepler and the Search for Life in Our Galaxy
Sep 15, 2009 |
4.3 / 5 (9) |
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(PhysOrg.com) -- There are so many stars in our galaxy that even if planets with complex life (animals and plants) are rare - say one for every billion stars - there could still be dozens here in the Milky ...
Adventures in the 'Goldilocks zone'
Space & Earth / Space Exploration
Mar 12, 2009 |
5 / 5 (5) |
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When NASA's Kepler telescope rocketed into the night sky last week, two Berkeley astronomers watching its fading contrail were hoping that the telescope will reveal Earth's — and humanity's — place in the ...
Dead Stars Tell Story of Planet Birth
Jan 05, 2009 |
4.4 / 5 (8) |
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(PhysOrg.com) -- Astronomers have turned to an unexpected place to study the evolution of planets -- dead stars. Observations made with NASA's Spitzer Space Telescope reveal six dead "white dwarf" stars littered ...
Tides Have Major Impact on Planet Habitability
Oct 13, 2008 |
4.5 / 5 (31) |
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(PhysOrg.com) -- Astronomers searching for rocky planets that could support life in other solar systems should look outside, as well as within, the so-called "habitable zone," University of Arizona planetary ...
