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sputnik
first artificial Earth satellite -
first animal in space
first animal launched into space -
first picture of the moon
first picture of the moon -
moon
first hard landing on the moon -
first recovery of a payload
first recovery of a payload from Earth orbit -
first human
first human to orbit earth -
first sattelite to orbit space
first sattelite to orbit in space -
first data returned from venus
first data returned from another planet (Venus) -
first women in space
first women in space -
first sattelight
first satelite launched into space