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The Russian Venera 7 becomes first to land on the planet venus.
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The U.S. Mariner 10 probe sends the first image of Mercury.
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The U.S. viking probes officially landed on Mars.
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U.S. voyager 1 sends back the first images of the planet Saturn and its rings.
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There was Space Shuttle Challenger disaster in the United States.
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The telescope was put into orbit from space shuttle discovery by the United States.
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The Comet Shoemaker Levy crashes into the planet Jupiter.
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There was a comet called Hyakutake that was discovered by Yuji Hyakutake in Japan.
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The building of the International Space Station has commenced.
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There was evidence found that there is water on the planet mars.