News tagged with galaxy evolution

Astronomers Discover Star-Studded Galaxy Tail

(PhysOrg.com) -- NASA's Galaxy Evolution Explorer has discovered a galaxy tail studded with bright knots of new stars. The tail, which was created as the galaxy IC 3418 plunged into the neighboring Virgo cluster ...

dateJun 17, 2010 in Astronomy
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M81's 'Halo' Sheds Light on Galaxy Formation

(PhysOrg.com) -- Observations with Subaru Telescope's Prime Focus Camera (Suprime-Cam) have revealed an extended structure of the spiral galaxy Messier 81 (M81) that may hold a key to understanding the formation ...

dateApr 13, 2010 in Astronomy
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Galaxies Demand a Stellar Recount

(PhysOrg.com) -- For decades, astronomers have gone about their business of studying the cosmos with the assumption that stars of certain sizes form in certain quantities. Like grocery stores selling melons ...

dateAug 19, 2009 in Astronomy
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Starbursts in Dwarf Galaxies are a Global Affair

(PhysOrg.com) -- Bursts of star making in a galaxy have been compared to a Fourth of July fireworks display: They occur at a fast and furious pace, lighting up a region for a short time before winking out.

dateApr 30, 2009 in Astronomy
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