(Phys.org)—Two massive stars racing in orbit around each other have had their colliding stellar winds X-rayed for the first time, thanks to the combined efforts of ESA's XMM-Newton and NASA's Swift space telescopes.
Astronomy
Oct 12, 2012
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David Wineland, who won the Nobel Prize for work in quantum physics with Serge Haroche of France, said our limited computers will "eventually" give way to super-fast, revolutionary ones.
Quantum Physics
Oct 10, 2012
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(Phys.org)—This sparkling picture taken by the NASA/ESA Hubble Space Telescope shows the center of globular cluster M 4. The power of Hubble has resolved the cluster into a multitude of glowing orbs, each a colossal nuclear ...
Astronomy
Sep 8, 2012
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(Phys.org) -- Type Ia supernovae are violent stellar explosions. Observations of their brightness are used to determine distances in the universe and have shown scientists that the universe is expanding at an accelerating ...
Astronomy
Aug 3, 2012
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(Phys.org) -- A team of astronomers have used the United Kingdom Infrared Telescope (UKIRT) on Hawaii to discover four pairs of stars that orbit each other in less than 4 hours. Until now it was thought that such close-in ...
Astronomy
Jul 5, 2012
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Even small telescopes can make big discoveries. Though the KELT North telescope in southern Arizona carries a lens no more powerful than a high-end digital camera, it's just revealed the existence of two very unusual faraway ...
Astronomy
Jun 13, 2012
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(Phys.org) -- The discovery of planets around other stars has led to the realization that alien solar systems often have bizarre features - at least they seem bizarre to us because they were so unexpected. For example, many ...
Astronomy
May 22, 2012
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Pulsars are among the most exotic celestial bodies known. They have diameters of about 20 kilometres, but at the same time roughly the mass of our sun. A sugar-cube sized piece of its ultra-compact matter on the Earth would ...
Astronomy
Feb 2, 2012
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An international team of scientists using NASA's Fermi Gamma-ray Space Telescope has discovered a surprisingly powerful millisecond pulsar that challenges existing theories about how these objects form.
Astronomy
Nov 4, 2011
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(PhysOrg.com) -- Not all stars are loners. In our home galaxy, the Milky Way, about half of all stars have a companion and travel through space in a binary system. But explaining why some stars are in double or even triple ...
Astronomy
Sep 15, 2011
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