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ngc3372.jpg
NGC 3372 - Eta Carinae Nebula by Andrew Mattingly

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(1957) Laika the dog becomes first animal in space (USSR).
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(1572) Tycho Brahe observes a supernova and shows it is amongst the stars.
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(1980) Voyager 1 transmits detailed images of Saturn during fly-by.
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(1978) Einstein (formerly HEAO-2) satellite launched. (1577) Tycho Brahe observes comet and proves it is not atmospheric phenomena.
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(1989) Cosmic Background Explorer (COBE) launched.
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(2004) Swift launched.
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(1915) Publication of 'Die Feldgleichungen der Gravitation' (The Field Equations of Gravitation) by Albert Eisttein.
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