(PhysOrg.com) -- A new study published on arXiv.org shows that, based on computer simulations, Jupiter, Saturn, Uranus and Neptune may not have been the only gas giants in our solar system. According to David Nesvorny from ...
It is our general understanding of solar system composition that planets fall into two categories: gas giants like Jupiter, Saturn, Neptune and Uranus… and rocky bodies that support some type of atmosphere like Earth, ...
Astronomy
Aug 8, 2011
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Hot on the heels of confirming one Kepler planet, the Hobby-Eberly Telescope announces the confirmation of another planet. Another observatory, the Nordic Optical Telescope, confirms its first Kepler planet as well, this ...
Astronomy
Aug 8, 2011
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(AP) -- Like a poodle on a leash, a tiny asteroid runs ahead of Earth on the planet's yearlong strolls around the sun, scientists report.
Space Exploration
Jul 27, 2011
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(PhysOrg.com) -- Infrared images of the aftermath of an impact on Jupiter in 2009 have been combined with other observations to conclude that an asteroid, not a comet, slammed into the planet.
Space Exploration
Jan 26, 2011
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The discovery of a hot Jupiter exoplanet that transfers orbital momentum to its host star may hold the key to a clearer understanding of the evolution of common planetary systems, according to findings presented by Dr. Edward ...
Astronomy
Jan 13, 2011
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(AP) -- Better catch Jupiter next week in the night sky. It won't be that big or bright again until 2022. Jupiter will pass 368 million miles from Earth late Monday, its closest approach since 1963. You can see it low in ...
Space Exploration
Sep 17, 2010
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Jupiter’s moon Io is the most volcanically active body in the solar system. Could it also be a habitat for life?
Space Exploration
Jun 10, 2010
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Jupiter’s moon Europa has a salty ocean, and scientists have long wondered if life could be found there. One scientist says Europa also has enough oxygen to support an ocean teeming with life.
Space Exploration
May 28, 2010
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New research indicates that there may be many more dwarf planets similar to Pluto in our solar system than previously thought. Studying these distant objects can help astrobiologists understand the basic properties of our ...
Astronomy
Apr 26, 2010
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