News tagged with disk galaxies
Astrophysicists use X-ray fingerprints to study eating habits of giant black holes
By studying the X-rays emitted when superheated gases plunge into distant and massive black holes, astrophysicists at the Georgia Institute of Technology have provided an important test of a long-standing ...
Jun 06, 2011 |
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How do supermassive black holes get so big?
(PhysOrg.com) -- At the center of most galaxies lie supermassive black holes that can grow to become more than a billion times larger than our Sun. However, astrophysicists don’t fully understand the formation ...
Apr 26, 2010 |
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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 |
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VLBA locates superenergetic bursts near giant black hole
(PhysOrg.com) -- Using a worldwide combination of diverse telescopes, astronomers have discovered that a giant galaxy's bursts of very high energy gamma rays are coming from a region very close to the supermassive ...
Jul 02, 2009 |
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Search results for disk galaxies
Google users warned of threat to smartphone wallets
Users of Google smartphone wallets were being warned on Friday that there is a way to crack pass codes intended to thwart thieves from going on illicit shopping sprees.
Feb 10, 2012 |
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Black hole jets
(PhysOrg.com) -- Black holes are irresistible sinks for matter and energy. They are so dense that not even light can escape from their gravitational clutches. Massive black holes (equal to millions or even ...
Jan 16, 2012 |
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'Proplyd-like' objects discovered in Cygnus OB2
The well known Orion Nebula is perhaps the most well known star forming regions in the sky. The four massive stars known as the trapezium illuminate the massive cloud of gas and dust busily forming into new ...
Jan 16, 2012 |
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VLBA, RXTE team up to pinpoint black hole's outburst
(PhysOrg.com) -- Using observations from NASA's Rossi X-ray Timing Explorer (RXTE) satellite and the National Science Foundation's (NSF) Very Long Baseline Array (VLBA) radio telescope, an international team ...
Jan 10, 2012 |
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Exomoons? Kepler‘s on the hunt
Recently, I posted an article on the feasibility of detecting moons around extrasolar planets. It was determined that exceptionally large moons (roughly Earth mass moons or more), may well be detectable wit ...
Jan 09, 2012 |
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Not all who wander are lost
(PhysOrg.com) -- Some stars have orbits that take them to interesting places, and they have interesting stories to tell about how they were formed. For more than a decade, the Sloan Digital Sky Survey (SDSS) ...
Jan 09, 2012 |
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New instrument peers through the heart of the Milky Way
(PhysOrg.com) -- Astronomy has a powerful new tool to probe the structure of our galaxy. The Apache Point Observatory Galactic Evolution Experiment (APOGEE) spectrograph is the newest instrument deployed by ...
Jan 09, 2012 |
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Mapping dark matter from galactic ripples
(PhysOrg.com) -- Sukanya Chakrabarti, Ph.D., an assistant professor of physics for the Charles E. Schmidt College of Science at Florida Atlantic University, has developed a way to discover and map dark matter in galaxies. ...
Jan 09, 2012 |
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Krawczynski group receives NASA grant to spy on black holes
(PhysOrg.com) -- Henric Krawczynski, PhD, professor of physics in Arts & Sciences at Washington University in St. Louis, is a big-game hunter of the astrophysical variety — he hunts celestial beasts, ...
Space & Earth / Space Exploration
Jan 06, 2012 |
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Image: Active Galaxy Centaurus A
(PhysOrg.com) -- Resembling looming rain clouds on a stormy day, dark lanes of dust crisscross the giant elliptical galaxy Centaurus A.
Jan 04, 2012 |
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List of search results for disk galaxies
