News tagged with constellation ara
Suzaku catches retreat of a black hole's disk
(PhysOrg.com) -- Studies of one of the galaxy's most active black-hole binaries reveal a dramatic change that will help scientists better understand how these systems expel fast-moving particle jets.
Dec 10, 2009 |
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Search results for constellation ara
How Much Mass Makes a Black Hole? Astronomers Challenge Current Theories
(PhysOrg.com) -- Using ESO's Very Large Telescope, European astronomers have for the first time demonstrated that a magnetar -- an unusual type of neutron star -- was formed from a star with at least 40 times ...
Aug 18, 2010 |
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Rossi X-ray Timing Explorer Satellite Pins Down Timer in Stellar Ticking Time Bomb
Using observations from NASA’s Rossi X-ray Timing Explorer (RXTE), an international team of astronomers has discovered a timing mechanism that allows them to predict exactly when a superdense star will unleash ...
Apr 30, 2008 |
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Scientists identify smallest known black hole
Using a new technique, two NASA scientists have identified the lightest known black hole. With a mass only about 3.8 times greater than our Sun and a diameter of only 15 miles, the black hole lies very close ...
Apr 01, 2008 |
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Record 5th planet found around nearby star
A team of American astronomers announced today (Tuesday, Nov. 6) the discovery of a record-breaking fifth planet around the nearby star 55 Cancri, making it the only star aside from the sun known to have five ...
Nov 06, 2007 |
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X-ray satellites catch magnetar in gigantic stellar 'hiccup'
Astronomers using data from several X-ray satellites have caught a magnetar – the remnant of a massive star with an incredibly strong magnetic field – in a sort of giant cosmic blench.
Apr 04, 2007 |
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Fourteen Times the Earth - Smallest Ever Extra-Solar Planet Discovered
A European team of astronomers has discovered the lightest known planet orbiting a star other than the sun (an "exoplanet"). The new exoplanet orbits the bright star mu Arae located in the southern constellation o ...
Aug 26, 2004 |
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Milky Way is 13.000 Million Years Old
Observations by an international team of astronomers with the UVES spectrometer on ESO's Very Large Telescope at the Paranal Observatory (Chile) have thrown new light on the earliest epoch of the Milky Way gal ...
Aug 18, 2004 |
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List of search results for constellation ara
