In early February, astrophysicist Neil deGrasse Tyson said on Twitter that the superhero Thor's Hammer (aka Mjolnir) "weighs as much as a herd of 300 billion elephants." News outlets pounced on this, and the news was quickly ...
Other
Feb 18, 2013
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An automated supernova hunt is shedding new light on the death sequence of massive stars—specifically, the kind that self-destruct in Type IIn supernova explosions.
Astronomy
Feb 6, 2013
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(Phys.org)—'Tis the season for holiday decorating and tree-trimming. Not to be left out, astronomers using NASA's Hubble Space Telescope have photographed a festive-looking nearby planetary nebula called NGC 5189. The intricate ...
Astronomy
Dec 18, 2012
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(Phys.org)—Located in a relatively vacant region of space about 4,200 light-years away and difficult to see using an amateur telescope, the lonesome planetary nebula NGC 7354 is often overlooked. However, thanks to this ...
Astronomy
Dec 17, 2012
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The death throes of dying stars are the focus of a sweeping new survey using NASA's Chandra X-ray satellite observatory.
Astronomy
Oct 10, 2012
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(Phys.org)—A dying star is refusing to go quietly into the night, as seen in this combined infrared and ultraviolet view from NASA's Spitzer Space Telescope and the Galaxy Evolution Explorer (GALEX), which NASA has lent ...
Astronomy
Oct 4, 2012
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(Phys.org)—Nature hath no fury like a dying star—and astronomers couldn't be happier...
Astronomy
Aug 30, 2012
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Each century, about two massive stars in our own galaxy explode, producing magnificent supernovae. These stellar explosions send fundamental, uncharged particles called neutrinos streaming our way and generate ripples called ...
General Physics
Jul 12, 2012
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Two Earth-sized planets have been discovered circling a dying star that has passed the red giant stage. Because of their close orbits, the planets must have been engulfed by their star while it swelled up to many times its ...
Astronomy
Dec 21, 2011
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(PhysOrg.com) -- Three planets -- each orbiting its own giant, dying star -- have been discovered by an international research team led by a Penn State University astronomer. Using the Hobby-Eberly Telescope, astronomers ...
Astronomy
Oct 27, 2011
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