Using sophisticated computer simulations, an international research team have discovered new insights into the chemical composition of the dust grains that formed in the solar system 4.5 billion years ago.
Astronomy
Feb 5, 2016
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(Phys.org) —Astronomers using NASA's Hubble Space Telescope have applied a new image processing technique to obtain near-infrared scattered light photos of five disks observed around young stars in the Mikulski Archive ...
Astronomy
Apr 24, 2014
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(Phys.org)—Forget the restaurant at the end of the Universe—astronomers now have the clearest understanding yet of the bar at the center of the Milky Way.
Astronomy
Dec 19, 2012
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(Phys.org)—Every six seconds, for millions of years, comets have been colliding with one another near a star in the constellation Cetus called 49 CETI, which is visible to the naked eye.
Astronomy
Nov 8, 2012
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A new observatory still under construction has given astronomers a major breakthrough in understanding a nearby planetary system that can provide valuable clues about how such systems form and evolve. The scientists used ...
Astronomy
Apr 12, 2012
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Currently, astronomers have two competing models for planetary formation. In one, the planets form in a single, monolithic collapse. In the second, the core forms first and then slowly accretes gas and dust. However, in both ...
Astronomy
May 24, 2011
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(PhysOrg.com) -- For the last 20 years, the best models of planet formation -- or how planets grow from dust in a gas disk -- have contradicted the very existence of Earth. These models assumed locally constant temperatures ...
Astronomy
Jan 12, 2010
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For the last 20 years, the best models of planet formation—or how planets grow from dust in a gas disk -- have contradicted the very existence of Earth. These models assumed locally constant temperatures within a disk, ...
Astronomy
Jan 7, 2010
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Astronomers using the twin 10-meter telescopes at the W. M. Keck Observatory in Hawaii have explored one of the most compact dust disks ever resolved around another star. If placed in our own solar system, the disk would ...
Astronomy
Sep 24, 2009
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