But over the roughly 13.7-billion-year lifetime of the cosmos, "relic" neutrinos have been stretched out by the expansion of the universe, enlarging the range in which each neutrino can exist.
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Supernova Remnant Is An Unusual Suspect - 0 views
Particles Larger Than Galaxies Fill the Universe? - 0 views
Space storm alert: 90 seconds from catastrophe - space - 23 March 2009 - New Scientist - 0 views
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The most serious space weather event in history happened in 1859. It is known as the Carrington event, after the British amateur astronomer Richard Carrington, who was the first to note its cause: "two patches of intensely bright and white light" emanating from a large group of sunspots. The Carrington event comprised eight days of severe space weather.
GRB's: - 0 views
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Gamma-ray bursts (GRB) are the most powerful explosions known in the Universe; most originate in distant galaxies. A large percentage of bursts likely arise from the explosion of stars over 15 times more massive than our Sun. Experts believe that...
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