Jupiter is often credited for shielding Earth from catastrophic asteroid and comet impacts. But new simulations of the influence of gas giant planets in solar systems casts doubt on Jupiter's reputation as Earth's protector.
Space Exploration
Mar 13, 2012
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Using data from NASA’s Kepler Mission, astronomers announced the discovery of two new transiting “circumbinary” planet systems -- planets that orbit two stars. This work establishes that such “two sun” ...
Astronomy
Jan 11, 2012
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(PhysOrg.com) -- ESO's Very Large Telescope has picked up the fastest rotating star found so far. This massive bright young star lies in our neighbouring galaxy, the Large Magellanic Cloud, about 160 000 light-years from ...
Astronomy
Dec 5, 2011
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Astronomers at the universities of Southampton and Oxford have found evidence that neutron stars, which are produced when massive stars explode as supernovae, actually come in two distinct varieties. Their finding also suggests ...
Astronomy
Nov 9, 2011
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(PhysOrg.com) -- The Kepler satellite, which has now reported the detection of 1781 candidate exoplanets (a planet around a star other than the sun), has also discovered that at least one of them orbits a double star. Each ...
Astronomy
Oct 3, 2011
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(PhysOrg.com) -- One of the most powerful and ambitious astronomical satellites designed to provide the best view yet of the Universe at far-infrared and sub-millimeter wavelengths is living up to its illustrious name, according ...
Astronomy
May 16, 2011
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(PhysOrg.com) -- By discovering the first double star where a pulsating Cepheid variable and another star pass in front of one another, an international team of astronomers has solved a decades-old mystery. The rare alignment ...
Astronomy
Nov 24, 2010
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Sometimes when you're looking for one thing, you find something completely different and unexpected. In the scientific endeavor, such serendipity can lead to new discoveries. Today, researchers who found the first hypervelocity ...
Astronomy
Nov 16, 2010
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(PhysOrg.com) -- Tight double-star systems might not be the best places for life to spring up, according to a new study using data from NASA's Spitzer Space Telescope. The infrared observatory spotted a surprisingly large ...
Astronomy
Aug 23, 2010
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(PhysOrg.com) -- For the first time, a team of astronomers has imaged the eclipse of the star Epsilon Aurigae by its mysterious, less luminous companion star. Very high-resolution images, never before possible, have been ...
Astronomy
Apr 7, 2010
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