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March 7th in Astronomy and Space Science
Birth1792British astronomer John Herschel born. Son of astronomer William Herschel, he studied many of the double stars first cataloged by his father and traveled to the Cape of Good Hope where he cataloged 68,948 stars and long lists of double stars and nebulae not visible from England. He also developed the chemical process for fixing photographic images on sensitized paper and originated the terms positive and negative as applied to photography.
Unmanned Spaceflight1962US launches the OSO 1, Orbiting Solar Observatory satellite. It measures solar flares from Earth orbit.
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