News tagged with hole
Closest Look Ever at the Edge of a Black Hole
Sep 03, 2008 |
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(PhysOrg.com) -- Astronomers have taken the closest look ever at the giant black hole in the center of the Milky Way. By combining telescopes in Hawaii, Arizona, and California, they detected structure at ...
New simulation shows consequences of a world without Earth's natural sunscreen (w/Video)
Space & Earth / Earth Sciences
Mar 19, 2009 |
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(PhysOrg.com) -- The year is 2065. Nearly two-thirds of Earth's ozone is gone -- not just over the poles, but everywhere. The infamous ozone hole over Antarctica, first discovered in the 1980s, is a year-round ...
Increasing Antarctic sea ice extent linked to the ozone hole
Space & Earth / Earth Sciences
Apr 21, 2009 |
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Increased growth in Antarctic sea ice during the past 30 years is a result of changing weather patterns caused by the ozone hole according to new research published this week (Thurs 23 April 2009).
Unprecedented 16-year-long study tracks stars orbiting Milky Way black hole
Dec 09, 2008 |
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By watching the motions of 28 stars orbiting the Milky Way's most central region with admirable patience and amazing precision, astronomers have been able to study the supermassive black hole lurking there. ...
The Day the World Didn't End
Oct 14, 2008 |
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Here's what didn't happen on Sept. 10th: The world did not end. Switching on the world's largest and most powerful particle accelerator near Geneva, Switzerland, did not trigger the creation of a microscopic bla ...
Astronomers detect matter torn apart by black hole
Nov 18, 2008 |
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The team of European and US astronomers used ESO's Very Large Telescope (VLT) and the Atacama Pathfinder Experiment (APEX) telescope, both in Chile, to study light from Sagittarius A* at near-infrared wavelengths ...
Violent flickering in Black Holes
Oct 15, 2008 |
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(PhysOrg.com) -- Unique observations of the flickering light from the surroundings of two black holes provide new insights into the colossal energy that flows at their hearts. By mapping out how well the variations ...
Omega Centauri -- The Glittering Giant of the Southern Skies
Dec 02, 2008 |
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Sparkling away at magnitude 3.7 and appearing nearly as large as the full moon on the southern night sky, Omega Centauri is visible with the unaided eye from a clear, dark observing site. Even through a modest ...
Most Black Holes Might Come in Only Small and Large
Aug 20, 2008 |
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(PhysOrg.com) -- Black holes are sometimes huge cosmic beasts, billions of times the mass of our sun, and sometimes petite with just a few times the sun's mass. But do black holes also come in size medium? ...
Scientists fool bacteria into killing themselves to survive
Biology /
Dec 16, 2008 |
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(PhysOrg.com) -- Like firemen fighting fire with fire, researchers at the University of Illinois and the University of Massachusetts at Amherst have found a way to fool a bacteria's evolutionary machinery ...
Hubble sees magnetic monster in erupting galaxy
Aug 20, 2008 |
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NGC 1275 is one of the closest giant elliptical galaxies and lies at the centre of the Perseus Cluster of galaxies. It is an active galaxy, hosting a supermassive black hole at its core, which blows bubbles ...
Most Distant Water in the Universe Found
Dec 17, 2008 |
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(PhysOrg.com) -- Astronomers have found the most distant water yet seen in the Universe, in a galaxy more than 11 billion light-years from Earth. Previously, the most distant water had been seen in a galaxy ...
Black hole caught zapping galaxy into existence?
Nov 30, 2009 |
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(PhysOrg.com) -- Which come first, the supermassive black holes that frantically devour matter or the enormous galaxies where they reside? A brand new scenario has emerged from a recent set of outstanding ...
A new way to weigh giant black holes
Jul 16, 2008 |
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How do you weigh the biggest black holes in the universe? One answer now comes from a completely new and independent technique that astronomers have developed using data from NASA's Chandra X-ray Observatory.
Polarizing filter allows astronomers to see disks surrounding black holes
Jul 23, 2008 |
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(PhysOrg.com) -- For the first time, a team of international researchers has found a way to view the accretion disks surrounding black holes and verify that their true electromagnetic spectra match what astronomers ...
