Rare ultra-blue stars found in neighboring galaxy's hub
(PhysOrg.com) -- Peering deep inside the hub of the neighboring Andromeda galaxy, NASA's Hubble Space Telescope has uncovered a large, rare population of hot, bright stars.
(PhysOrg.com) -- Peering deep inside the hub of the neighboring Andromeda galaxy, NASA's Hubble Space Telescope has uncovered a large, rare population of hot, bright stars.
Astronomy
Jan 11, 2012
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(PhysOrg.com) -- This enormous section of the Milky Way galaxy is a mosaic of images from NASA's Wide-field Infrared Survey Explorer, or WISE. The constellations Cassiopeia and Cepheus are featured in this 1,000-square degree ...
Astronomy
Jan 10, 2012
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(PhysOrg.com) -- Youve seen it on television: A doctor shines a bright light into an unconscious patients eye to check for brain death. If the pupil constricts, the brain is OK, because in mammals, the brain controls ...
Other
Nov 2, 2011
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The brightness of the nightly sky glow over major cities has been shown to depend strongly on cloud cover. In natural environments, clouds make the night sky darker by blocking the light of the stars but around urban centers, ...
Environment
Mar 2, 2011
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The Channel Island of Sark has been designated the first dark sky community in the world in recognition of the lack of light pollution that allows clear views of the stars at night, officials said Monday.
Space Exploration
Jan 31, 2011
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