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The BIG BANG happened over 13,600 million years ago
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a polish astronomer named Nicolaus Copernicus
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Saturn was discovered in 1610 and was named after a roman god.
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Galileo found Jupiter in 1610 the same year that Saturn was found.
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it was discovered by William Herschel
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Three different people discovered Neptune
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Clyde Tombaugh discovered Pluto when Uranus and Neptune were on Pluto's gravitational pull.
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they first launched in may,5 1961
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Christian Huygens discovered mars by using a telescope and in 1964 he traveled to mars.
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Neil Armstrong was the first man on the moon during Apollo mission to space.
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NASA launched the first rover to mars