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ESA: "Time bomb" in the Universe

Rome, Italy - XMM-Newton uncovers a celestial Rosetta stone

"ESA's XMM-Newton orbiting X-ray telescope has uncovered a celestial Rosetta stone: the first close-up of a white dwarf star, circling a companion star, that could explode into a particular kind of supernova in a few million years. These supernovae are used as beacons to measure cosmic distances and ultimately understand the expansion of our Universe. Astronomers have been on the trail of this...

fra/pec - 1108936
Rome, Italy, 09/04/2009 17:37
AVIONEWS - World Aeronautical Press Agency

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