Explainer: Light-years and units for the stars
"Space is Big. Really Big." The Hitchhiker's Guide to the Galaxy pretty much nailed space with those five words. And space is so really big that our earthly measures of distance struggle.
"Space is Big. Really Big." The Hitchhiker's Guide to the Galaxy pretty much nailed space with those five words. And space is so really big that our earthly measures of distance struggle.
Astronomy
Aug 21, 2013
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Until recently, one of the ultimate mysteries of the universe—how many civilizations may exist on planets orbiting other stars in the Milky Way Galaxy—relied on the possibility of detecting intelligent beings by radio ...
Astronomy
May 30, 2013
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(Phys.org)—A planet roughly 1.4 times the size of Jupiter is being consumed by its own star behind a shroud thanks to a magnesium veil absorbing all of certain light wavelengths, according to new observations by the Hubble ...
Astronomy
Nov 21, 2012
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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
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On the nights of Aug. 11th through 13th, the best meteor shower of the year will fill pre-dawn skies with hundreds of shooting stars. And that's just for starters. The brightest planets in the solar system are lining up ...
Space Exploration
Aug 10, 2012
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Every time NASA lands a rover on Mars--or even makes the attempt--it is cause for celebration. On August 5th, the heavens themselves are aligning to mark the event.
Space Exploration
Jul 30, 2012
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(PhysOrg.com) -- Resembling looming rain clouds on a stormy day, dark lanes of dust crisscross the giant elliptical galaxy Centaurus A.
Astronomy
Mar 8, 2012
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Using the Herschel Space Observatory, Wilson's group has found Arp 220 to have large amounts of very warm molecular hydrogen gas, a surprising find that implies molecular hydrogen is the dominant coolant in the high-temperature ...
Astronomy
Feb 18, 2012
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(PhysOrg.com) -- Resembling looming rain clouds on a stormy day, dark lanes of dust crisscross the giant elliptical galaxy Centaurus A.
Astronomy
Jan 4, 2012
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We are entering a golden era for "stellar physics" a term coined to describe research about the formation, evolution, interior and the atmospheres of stars. Thanks to a partnership forged among stellar astrophysics, ...
Astronomy
Apr 13, 2011
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