(Phys.org)—Hydrogen is the most common element in the Universe, making up 75% of all normal matter and the content of stars. Although stars themselves are hot, they can only form out of the coldest gas when a massive cloud ...
Astronomy
Nov 9, 2012
57
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(Phys.org)—Astronomers using data from NASA's Fermi Gamma-ray Space Telescope have made the most accurate measurement of starlight in the universe and used it to establish the total amount of light from all of the stars ...
Astronomy
Nov 1, 2012
14
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(Phys.org)—One of the unsolved mysteries of contemporary science is how highly organized structures can emerge from the random motion of particles. This applies to many situations ranging from astrophysical objects that ...
General Physics
Oct 5, 2012
22
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(Phys.org)—Theoretical physicists at Cornell may have found a new way to explain the formation of novae, stars that suddenly become very bright then quickly fade.
Astronomy
Sep 21, 2012
18
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(Phys.org)—An international team of astronomers has found evidence that a planet was destroyed by its ageing star. Led by Pennsylvania State University (Penn State) in the United States, the team showed that the missing ...
Astronomy
Sep 21, 2012
2
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(Phys.org)—Researchers studying the cosmos have been stumped by an observation first made by Monique and François Spite of the Paris Observatory some thirty years ago; they noted that in studying the halos of older stars, ...
Dressed as usual in jeans and Velcro-secured sneakers, University of California, Los Angeles astronomer David Jewitt sat at his desk recently and feigned concern: What, exactly, does one wear when accepting gold medals from ...
Astronomy
Sep 4, 2012
0
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(Phys.org)—Two newly submitted studies verify 41 new transiting planets in 20 star systems. These results may increase the number of Kepler's confirmed planets by more than 50 percent: to 116 planets hosted in 67 systems, ...
Astronomy
Aug 27, 2012
0
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(Phys.org) -- Fierce galactic winds powered by an intense burst of star formation may blow gas right out of massive galaxies, shutting down their ability to make new stars.
Astronomy
Aug 21, 2012
11
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(Phys.org) -- The first evidence of a planet's destruction by its aging star has been discovered by an international team of astronomers. The evidence indicates that the missing planet was devoured as the star began expanding ...
Astronomy
Aug 20, 2012
16
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