Search results for galaxy:
Giant Galaxy Hosts the Most Distant Supermassive Black Hole
Sep 02, 2009 |
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(PhysOrg.com) -- University of Hawaii (UH) astronomer Dr. Tomotsugu Goto and colleagues have discovered a giant galaxy surrounding the most distant supermassive black hole ever found. The galaxy, so distant ...
Discovery of dwarf galaxy a big find for astronomy team
Oct 20, 2009 |
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In some ways, discovering a new galaxy is all in a day's work for John Cannon, Macalester College assistant astronomy professor.
Swift makes best-ever ultraviolet portrait of Andromeda Galaxy
Sep 16, 2009 |
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In a break from its usual task of searching for distant cosmic explosions, NASA's Swift satellite has acquired the highest-resolution view of a neighboring spiral galaxy ever attained in the ultraviolet. The ...
NGC 4945: The Milky Way's not-so-distant Cousin
Sep 02, 2009 |
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(PhysOrg.com) -- ESO has released a striking new image of a nearby galaxy that many astronomers think closely resembles our own Milky Way. Though the galaxy is seen edge-on, observations of NGC 4945 suggest ...
Galaxy Zoo Hunters Help Astronomers Discover Rare 'Green Pea' Galaxies
Jul 27, 2009 |
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A team of astronomers has discovered a group of rare galaxies called the "Green Peas" with the help of citizen scientists working through an online project called Galaxy Zoo. The finding could lend unique ...
A Galaxy Collision in Action
Jul 09, 2009 |
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This beautiful image gives a new look at Stephan's Quintet, a compact group of galaxies discovered about 130 years ago and located about 280 million light years from Earth. The curved, light blue ridge running ...
Starbursts in Dwarf Galaxies are a Global Affair
Apr 30, 2009 |
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(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.
Unusual shape of exploded star puzzles scientists
Jun 17, 2009 |
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Penn State astronomers have used NASA's Chandra X-ray Observatory to produce a new image of a ghostly exploded star with an unusual shape in a galaxy near the Milky Way. Astronomers think the object may be ...
Researchers explain the activity of black holes at the centre of galaxy clusters
Sep 04, 2009 |
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(PhysOrg.com) -- Astronomers at the University of Bonn have clarified the connection between black holes at the centre of galaxy clusters and surrounding gas, which serves them as "food". The scientists have ...
The Energy Sources of Ultraluminous Galaxies
Nov 27, 2009 |
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(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 ...
XMM-Newton takes astronomers to a black hole's edge
May 27, 2009 |
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(PhysOrg.com) -- Using new data from ESA's XMM-Newton spaceborne observatory, astronomers have probed closer than ever to a supermassive black hole lying deep at the core of a distant active galaxy.
Galaxy Evolution Explorer Mission Celebrates Sixth Anniversary
Apr 28, 2009 |
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(PhysOrg.com) -- NASA's Galaxy Evolution Explorer Mission marks its sixth anniversary studying galaxies beyond our Milky Way through its sensitive ultraviolet telescope, the only such far-ultraviolet detector ...
Is the Milky Way doomed to be destroyed by galactic bombardment? Probably not
Aug 31, 2009 |
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(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 ...
Fermi telescope finds gamma-ray galaxy surprises
Jul 14, 2009 |
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Back in June 1991, just before the launch of NASA's Compton Gamma-Ray Observatory, astronomers knew of gamma rays from exactly one galaxy beyond our own. To their surprise and delight, the satellite captured ...
Astrophysicists solve mystery in Milky Way galaxy
Jul 09, 2009 |
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A team of astrophysicists has solved a mystery that led some scientists to speculate that the distribution of certain gamma rays in our Milky Way galaxy was evidence of a form of undetectable "dark matter" ...
