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Where are the nearest islands of stars?
Earth's home galaxy, the Milky Way, consists of more than 100 billion stars and its spiral arms extend across 100,000 light-years. As if these were not already virtually inconceivable numbers for humans, the Milky Way is only one galaxy among billions that can be seen in the visible Universe using modern telescopes.
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Last update: 14/01/2010 13:54:26