Eta Carinae brightens Chandra's day
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New pics of an old explosion NASA has released a striking new image of explosive neighbouring star Eta Carinae. The star is huge: somewhere between 100 and 150 times the size of our own sun. It is also consuming its fuel at a truly astonishing rate.â¦
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A team of astronomers from France and South Africa announced the first catalog of a new type of gamma-ray source, a dozen clouds of ârelicâ radiation from dead stars that reveal information about the energetic past of these celestial objects. These findings were presented on Feb.
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The massive cosmic assault of a black hole blasting an immense jet of energy and radiation into a nearby galaxy has been observed by astronomers for the first time, NASA announced Monday.
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Astronomers using NASA's Chandra X-ray Observatory have discovered one of the fastest stars ever seen--a &quot;cosmic cannonball&quot; that is challenging theories to explain its blistering speed.
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The explosive death of a massive star has broken the record for longest-lived light show. Observations from NASA's Swift satellite have revealed a so-called gamma-ray burst for which the afterglow remained visible for more than 125 days.
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Make hot cocoa. Bundle up. Tell your friends: the best meteor shower of 2004 is about to peak on a long cold December night. It&#39;s the Geminids.
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On a day of stunning news including moonbase plans and new orbital
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Pretty pictures Hubble has snapped yet another stunning picture of a not-too-distant part of the galaxy. This time, the relatively nearby supernova remnant known as Cassiopeia A (Cas A) poses nicely for the camera, revealing intricate details of the remains of the star.â¦
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One of the hottest, most energetic mergers of two colossal galaxy clusters has been imaged in exquisite detail by an X-ray observatory in space, astronomers announced on Thursday.
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Three powerful bursts of energy from different regions of space could presage spectacular explosions of huge stars, astronomers just announced.
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In just the past six weeks, two supernovae have flared up in an obscure galaxy in the constellation Hercules.
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Astronomers to gain more observing time WASHINGTON, June 5 (UPI) -- The U.S. National Radio Astronomy Observatory and the National Aeronautics and Space Administration are joining forces to enhance astronomy.
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Early morning joggers, dog-walkers and commuters are enjoying a dazzling predawn light show in the eastern sky this week. Jupiter and Venus, the two brightest planets visible
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Astronomers have spotted three dozen bright, young galaxies that defy the general aging trends of the universe. The galaxies, fairly nearby and massive, are more youthful than they ought to be, based on current theory.
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Stargazers were able to catch a fleeting glimpse of a total eclipse of the moon in the early hours today. The clouds cleared to allow a rusty ball to be seen, despite bad weather, between 3.23am and 4.44am.
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Well up in the eastern sky during the late-evening hours is the &quot;Summer Triangle,&quot; not a constellation, but a very noteworthy star pattern of the summer sky consisting of three bright stars from three constellations.
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NASA astronomers last month detected two X-ray blasts and an almost-gamma ray burst that could be signs of imminent supernovae. The X-ray flashes came on 12 and 16 September, followed on 24 September by something