News tagged with galactic center
Related topics: black holes
Fermi telescope discovers new giant structure in our galaxy (w/ Video)
(PhysOrg.com) -- NASA's Fermi Gamma-ray Space Telescope has unveiled a previously unseen structure centered in the Milky Way. The feature spans 50,000 light-years and may be the remnant of an eruption from ...
Nov 09, 2010 |
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Milky Way stars move in mysterious ways
Rather than moving in circles around the center of the Milky Way, all the stars in our Galaxy are travelling along different paths, moving away from the Galactic center. This has just been evidenced by Arnaud ...
Nov 30, 2010 |
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Hyperfast Star Was Booted from Milky Way
(PhysOrg.com) -- NASA's Hubble Space Telescope has detected a hypervelocity star - a rare entity moving three times faster than our sun.
Jul 22, 2010 |
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The Edge of a Black Hole
The existence of black holes is one of the most amazing and bizarre predictions of Einstein's theory of gravity. Despite his original misgivings about their reality, massive black hole holes are today believed ...
Aug 18, 2009 |
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Resolving a galactic mystery
An extremely deep Chandra X-ray Observatory image of a region near the center of our Galaxy has resolved a long-standing mystery about an X-ray glow along the plane of the Galaxy. The glow in the region covered ...
Apr 29, 2009 |
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Runaway planets zoom at a fraction of light speed
Seven years ago, astronomers boggled when they found the first runaway star flying out of our Galaxy at a speed of 1.5 million miles per hour. The discovery intrigued theorists, who wondered: If a star can ...
Mar 22, 2012 |
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2012: Shadow of the Dark Rift
(PhysOrg.com) -- One of the most bizarre theories about 2012 has built up with very little attention to facts. This idea holds that a cosmic alignment of the sun, Earth, the center of our galaxy -- or perhaps ...
Dec 22, 2011 |
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Newly merged black hole eagerly shreds stars
A galaxy's core is a busy place, crowded with stars swarming around an enormous black hole. When galaxies collide, it gets even messier as the two black holes spiral toward each other, merging to make an even ...
Apr 08, 2011 |
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Ghostly gamma-ray beams blast from Milky Way's center
(Phys.org) -- As galaxies go, our Milky Way is pretty quiet. Active galaxies have cores that glow brightly, powered by supermassive black holes swallowing material, and often spit twin jets in opposite directions. ...
May 29, 2012 |
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Twisted ring of gas orbits galactic center
The Herschel Space Observatory scanned the center of the galaxy in far-infrared and found a cool (in all senses of the word) twisting ring of rapidly orbiting gas clouds. The ring is estimated to have dimensions ...
Jun 01, 2011 |
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Living in the galactic danger zone
We know for certain that life exists in the Milky Way galaxy: that life is us. Scientists are continually looking to understand more about how life on our planet came to be and the conditions that must be ...
Sep 23, 2011 |
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Hubble mosaic of the Galactic center
(PhysOrg.com) -- This NASA Hubble Space Telescope infrared mosaic image represents the sharpest survey of the Galactic Center to date. It reveals a new population of massive stars and new details in complex ...
Space & Earth / Space Exploration
Oct 10, 2011 |
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Stars Forming Just Beyond Black Hole’s Grasp at Galactic Center
(PhysOrg.com) -- The center of the Milky Way presents astronomers with a paradox: it holds young stars, but no one is sure how those stars got there. The galactic center is wracked with powerful gravitational ...
Jan 05, 2009 |
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Baby Stars Finally Found in Jumbled Galactic Center
Astronomers have at last uncovered newborn stars at the frenzied center of our Milky Way galaxy. The discovery was made using the infrared vision of NASA's Spitzer Space Telescope.
Jun 10, 2009 |
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The turbulent past of the Milky Way's black hole
The supermassive black hole at the center of our Galaxy went through turbulent times over the past centuries. We know this thanks to its surrounding molecular clouds, whose varying X-ray and gamma-ray luminosity ...
May 28, 2010 |
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