(Phys.org) -- Thirty years ago, cosmologists Monique and François Spite of the Paris Observatory, turned the world of astrophysics upside down when they noticed that there appeared to be a distinct lack ...
Jul 20, 2012
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A new model shows how an elusive type of black hole can be formed in the gas surrounding their supermassive counterparts. In research published in the Monthly Notices of the Royal Astronomical Society, scientists from the Am ...
Jul 19, 2012
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(Phys.org) -- Bucket lists are more than goals or accomplishments a person wants to achieve before dying. They are also a way for people to discuss death -- even though most of us probably would rather avoid doing so, according ...
Jul 19, 2012
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(Phys.org) -- An international team of astronomers has observed the heart of a distant quasar with unprecedented sharpness, two million times finer than human vision. The observations, made by connecting the ...
Jul 18, 2012
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(Phys.org) -- NASA's Chandra X-ray Observatory has discovered an extraordinary outburst by a black hole in the spiral galaxy M83 (Messier 83), located about 15 million light years from Earth.
Jul 16, 2012
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Researchers at the California Institute of Technology (Caltech) and NASA's Jet Propulsion Laboratory (JPL) have developed a new type of amplifier for boosting electrical signals. The device can be used for ...
Jul 13, 2012
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(Phys.org) -- This computer-simulated image shows gas from a star that is ripped apart by tidal forces as it falls into a black hole. Some of the gas also is being ejected at high speeds into space.
Jul 12, 2012
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(Phys.org) -- Over the years, cosmologists have found ample evidence of just two kinds of black holes: stellar mass black holes and supermassive black holes. The former are considered small by most standards, ...
Jul 06, 2012
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(Phys.org) -- Astronomers have found evidence of hundreds of black holes in a galaxy 250 million light years away. The discovery, made with a worldwide network of radio telescopes, gives scientists a new way ...
Jul 02, 2012
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NASA's Nuclear Spectroscopic Telescope Array, or NuSTAR, has snapped its first test images of the sizzling high-energy X-ray universe. The observatory, launched June 13, is the first space telescope with the ...
Jun 29, 2012
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(Phys.org) -- Seyfert galaxies are like normal galaxies, our own Milky Way included, except in one critical respect: their nuclei are fantastically bright. In some instances they are as luminous as 100 billion ...
Jun 28, 2012
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Scientists have determined a giant gas cloud is on a collision course with the black hole in the center of our galaxy, and the two will be close enough by mid-2013 to provide a unique opportunity to observe ...
Jun 27, 2012
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(Phys.org) -- If you've ever wondered what it would be like to build a satellite to peer into a black hole and uncover its secrets, now you can find out thanks to a free new online game from NASA.
Jun 26, 2012
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(Phys.org) -- For over a decade astronomers have been probing a region of the northern sky, not far from the handle of the Big Dipper, that is relatively free of bright stars and the diffuse glow of the Milky ...
Jun 26, 2012
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(Phys.org) -- NASA's Nuclear Spectroscopic Telescope Array, or NuSTAR, has successfully deployed its lengthy mast, giving it the ability to see the highest energy X-rays in our universe. The mission is one ...
Jun 22, 2012
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