Recent discoveries of gas giant planets in unusual orbits challenge the generally accepted theory of planet formation. While these discoveries do not disprove the theory, they have opened our eyes to chaotic solar systems ...
Astronomy
Jul 8, 2010
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The Earth and Moon were created as the result of a giant collision between two planets the size of Mars and Venus. Until now it was thought to have happened when the solar system was 30 million years old or approx. 4,537 ...
Astronomy
Jun 7, 2010
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Through the study of a popular Martian meteorite's age, a University of Houston professor and his team have made significant discoveries about the timeline of volcanic activity on Mars.
Space Exploration
Apr 15, 2010
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(PhysOrg.com) -- Meet asteroid 1999 RQ36, a chunk of rock and dust about 1,900 feet in diameter that could tell us how the solar system was born, and perhaps, shed light on how life began. It also might hit us someday.
Space Exploration
Mar 11, 2010
1
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(PhysOrg.com) -- Two teams of astronomers have found a planet outside the solar system that might be orbiting backwards compared to its star's rotation, a discovery that could shed light on how unique the relatively perfect ...
Astronomy
Nov 12, 2009
6
1
An international team of researchers has found a planet around another star whose orbit is steeply tilted from the plane of the star's equator, a finding that contradicts some theories about how solar systems form.
Astronomy
Jun 17, 2009
9
1
(PhysOrg.com) -- Processes that laid the foundation for life on Earth -- star and planet formation and the production of complex organic molecules in interstellar space -- are yielding their secrets to astronomers armed with ...
Space Exploration
Feb 12, 2009
0
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