August 14
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1886 - Physicist Arthur Jeffrey Dempster is born. He discovered isotope uranium-235, and built the first mass spectrometer.
1959 - NASA's Explorer 6 takes the first photos of Earth from a satellite.
1965 - Star Trek writer and producer Brannon Braga is born.
1994 - NASA's Hubble space telescope photographed Uranus, showing its rings and several inner moons.
