But in 1961 the soviets launched the first human into space, Yuri Gagarin | There are many reasons for space exploration |
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Better rockets made it possible in the 20th century |
On October 4, 1957, the former Soviet Union launched the Sputnik 1, which was the first artificial satellite.
4Space exploration is a term which describes searching outer space | Many space probes have gone to various planets and other places in the solar system to send back information about them |
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When people first went to space they didn't know how the effects of microgravity would have on humans so they sent animals instead |