News tagged with galaxy formation
Related topics: dark matter , galaxies
Galaxy History Revealed in This Colorful Hubble View (w/ Video)
(PhysOrg.com) -- More than 12 billion years of cosmic history are shown in this unprecedented, panoramic, full-color view of thousands of galaxies in various stages of assembly.
Jan 06, 2010 |
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A star is born? Herschel space observatory captures the birth of stars
(PhysOrg.com) -- The European Space Agency has released a preview of the first science results from the Herschel Space Observatory, including the UK-led SPIRE instrument. The new data which include images ...
Dec 18, 2009 |
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The Energy Sources of Ultraluminous Galaxies
(PhysOrg.com) -- Ultraluminous infrared galaxies ((ULIRGs) are galaxies whose luminosity exceeds that of a trillion suns; for comparison, the Milky Way galaxy has a typical (and much more modest) luminosity ...
Nov 27, 2009 |
4.7 / 5 (20) |
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Cosmic 'Dig' Reveals Vestiges of the Milky Way's Building Blocks
(PhysOrg.com) -- Peering through the thick dust clouds of our galaxy's "bulge" (the myriads of stars surrounding its center), a team of astronomers has unveiled an unusual mix of stars in the stellar grouping ...
Nov 25, 2009 |
4.7 / 5 (21) |
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Infrared Image of Circumstellar Disk Illuminates Massive Star Formation Process
(PhysOrg.com) -- A team of astronomers from Ibaraki University, Japan Aerospace Exploration Agency, Kanagawa University, University of Tokyo, Academica Sinica, and National Astronomical Observatory of Japan ...
Nov 24, 2009 |
4.6 / 5 (5) |
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'Cosmic fruit machine' matches collisions
(PhysOrg.com) -- A new website will give everyone the chance to contribute to science by playing a 'cosmic fruit machine' and compare images of colliding galaxies with millions of simulated images of galactic ...
Nov 24, 2009 |
4.5 / 5 (6) |
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Maps Unveil the Source of Starburst Galaxy's Winds
(PhysOrg.com) -- A research group at Kyoto University has discovered that shocks are the primary energy sources that excite the galactic wind region of starburst galaxy NGC 253. Their images of the center ...
Nov 18, 2009 |
5 / 5 (8) |
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Rapid star formation spotted in 'stellar nurseries' of infant galaxies
The Universe's infant galaxies enjoyed rapid growth spurts forming stars like our sun at a rate of up to 50 stars a year, according to scientists at Durham University.
Nov 11, 2009 |
4 / 5 (5) |
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Sky merger yields sparkling dividends
(PhysOrg.com) -- Not surprisingly, interacting galaxies have a dramatic effect on each other. Studies have revealed that as galaxies approach one another massive amounts of gas are pulled from each galaxy ...
Oct 13, 2009 |
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Stripped down: Hubble highlights two galaxies that are losing it
(PhysOrg.com) -- Ram pressure is the drag force that results when something moves through a fluid -- much like the wind you feel in your face when bicycling, even on a still day -- and occurs in this context ...
Sep 30, 2009 |
4.8 / 5 (11) |
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Is the Milky Way doomed to be destroyed by galactic bombardment? Probably not
(PhysOrg.com) -- As scientists attempt to learn more about how galaxies evolve, an open question has been whether collisions with our dwarf galactic neighbors will one day tear apart the disk of the Milky ...
Aug 31, 2009 |
4.3 / 5 (12) |
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Trigger-Happy Star Formation
(PhysOrg.com) -- A new study from two of NASA's Great Observatories provides fresh insight into how some stars are born, along with a beautiful new image of a stellar nursery in our Galaxy. The research shows ...
Aug 12, 2009 |
5 / 5 (4) |
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NASA's Spitzer Images Out-of-This-World Galaxy
(PhysOrg.com) -- NASA's Spitzer Space Telescope has imaged a wild creature of the dark -- a coiled galaxy with an eye-like object at its center.
Jul 23, 2009 |
4.8 / 5 (19) |
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Intense heat killed the Universe's would-be galaxies, researchers say
(PhysOrg.com) -- Our Milky Way galaxy only survived because it was already immersed in a large clump of dark matter which trapped gases inside it, scientists led by Durham University's Institute for Computational ...
Jul 01, 2009 |
3.6 / 5 (25) |
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Galaxies coming of age in cosmic blobs
The "coming of age" of galaxies and black holes has been pinpointed, thanks to new data from NASA's Chandra X-ray Observatory and other telescopes. This discovery helps resolve the true nature of gigantic ...
Jun 24, 2009 |
4.7 / 5 (6) |
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