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Our GalaxyThe Milky WayThere are approximately 200 billion stars in the Milky Way. The Milky Way is 100,000 light years across, that is one billion billion kilometeres. |
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A Speck in the UniverseIt is estimated that there are at least 200 billion galaxies in the known Universe. Did this all come from nothing? |
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| © Serra Club of Canberra 2004 |
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