News tagged with cool stars
Cool Stars Have Different Mix of Life-Forming Chemicals
Apr 07, 2009 |
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(PhysOrg.com) -- Life on Earth is thought to have arisen from a hot soup of chemicals. Does this same soup exist on planets around other stars? A new study from NASA's Spitzer Space Telescope hints that planets ...
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Oddball stars discovered in new Hubble images
Apr 27, 2009 |
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(PhysOrg.com) -- Professor Adrienne Cool has discovered 24 unusual stars in an ancient star cluster in the Milky Way. Made of helium rather than the usual carbon and oxygen, these white dwarf stars appear ...
Largest collection of anomalous white dwarfs observed by Hubble
Apr 23, 2009 |
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Twenty-four unusual stars, 18 of them newly discovered, have been observed in new Hubble telescope images. The stars are white dwarfs, a common type of dead star, but they are odd because they are made of ...
Study: Sea stars bulk up to beat the heat
Nov 17, 2009 |
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A new study finds that a species of sea star stays cool using a strategy never before seen in the animal kingdom. The sea stars soak up cold sea water into their bodies during high tide as buffer against potentially damaging ...
Strong winds over the keel
Feb 12, 2009 |
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The large and beautiful image displays the full variety of this impressive skyscape, spattered with clusters of young stars, large nebulae of dust and gas, dust pillars, globules, and adorned by one of the ...
First stars might have been powered by dark matter
Feb 12, 2008 |
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For a long time, scientists have assumed that the very first stars were powered by fusion, in processes similar to what goes on in present day stars. But a new theory is emerging to challenge that view. “The first stars were ...
Herschel views deep-space pearls on a cosmic string
Oct 02, 2009 |
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(PhysOrg.com) -- Herschel has delivered spectacular vistas of cold gas clouds lying near the plane of the Milky Way, revealing intense, unexpected activity. The dark, cool region is dotted with stellar factories, ...
Turbulence responsible for black holes' balancing act
Jul 14, 2009 |
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We live in a hierarchical Universe where small structures join into larger ones. Earth is a planet in our Solar System, the Solar System resides in the Milky Way Galaxy, and galaxies combine into groups and ...
Wall Divides East and West Sides of Cosmic Metropolis
Jan 27, 2009 |
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(PhysOrg.com) -- A new study unveils NGC 604, the largest region of star formation in the nearby galaxy M33, in its first deep, high-resolution view in X- rays. This composite image from Chandra X-ray Observatory ...
Verdict: Supermassive black holes not guilty of shutting down star formation
Jan 22, 2009 |
4.6 / 5 (9) |
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(PhysOrg.com) -- A team of Yale University astronomers has discovered that galaxies stop forming stars long before their central supermassive black holes reach their most powerful stage, meaning the black ...
Amazing Andromeda Galaxy
Oct 03, 2006 |
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The many "personalities" of our great galactic neighbor, the Andromeda galaxy, are exposed in this new composite image from NASA's Galaxy Evolution Explorer and the Spitzer Space Telescope.
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