(Phys.org)—Of the three telescopes carried by NASA's Swift satellite, only one captures cosmic light at energies similar to those seen by the human eye. Although small by the standards of ground-based observatories, Swift's ...
Astronomy
Dec 28, 2012
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An international team of scientists has observed four super-massive black holes at the center of galaxies, which may provide new information on how these central black hole systems operate. Their findings are published in ...
Astronomy
Dec 10, 2009
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(Phys.org) -- A loose group of stars that was known for over 180 years but never before studied in detail has been revealed to be an important new tool in the quest to understand the evolution of stars like the Sun, and in ...
Astronomy
Jun 22, 2012
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(Phys.org) -- Because astronomy and astrophysics are still so much a mixture of theory, conjecture and generally difficult to measure phenomenon, at least as compared with many of the other sciences, one of the most highly ...
(Phys.org) -- Astronomers using the world's largest radio telescope, at Arecibo, Puerto Rico, have discovered flaring radio emission from an ultra-cool star, not much warmer than the planet Jupiter, shattering the previous ...
Astronomy
Apr 18, 2012
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(PhysOrg.com) -- Researchers using NASA's Chandra X-ray Observatory, Hubble Space Telescope, Swift Gamma-ray Burst Explorer and the European Space Agency's XMM-Newton Observatory have been studying an object known as an ultraluminous ...
Astronomy
Feb 27, 2012
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(PhysOrg.com) -- A survey of distant galaxies using the Hubble Space Telescope has put another nail in the coffin of the theory that galaxy mergers are the main trigger for turning quiescent supermassive black holes into ...
Astronomy
Oct 14, 2011
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(PhysOrg.com) -- A fleet of spacecraft including NASA's Hubble Space Telescope has uncovered unprecedented details in the surroundings of a supermassive black hole. Observations reveal huge bullets of gas being driven away ...
Astronomy
Sep 29, 2011
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(PhysOrg.com) -- University of Sydney astronomer, Professor Peter Tuthill, is one of an international team of astronomers who have announced a major step forward in the quest to find planets in orbit around distant stars. ...
Astronomy
Mar 2, 2011
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(PhysOrg.com) -- Researchers have uncovered a new stellar neighbour with the discovery of the closest young star to Earth.
Astronomy
Aug 29, 2011
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