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On this day in 1764 – September 17th – English astronomer John Goodricke was born in Groningen in the Netherlands.
An infection as an infant rendered him deaf and mute. However he overcame the handicaps and became a highly proficient astronomical observer and pioneering investigator of variable stars. He theorized that the variable star Algol was a binary star whose variability was due to a dark companion periodically eclipsing it.
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BellaOnline Editor Modern Day Human
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. On this day in 1789 – September 17th – William Herschel discovered Saturn's moon Mimas.The huge crater in the leading hemisphere of Mimas is named Herschel in honor of the moon's discoverer..
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. On this day in 1857 – September 17th – Russian rocket scientist Konstantin Tsiolkovsky was born in Izhevskoye, Russia.Tsiolkovsky is considered one of the founding fathers of rocketry and astronautics. Long before the Wright brothers' first plane flew 120 feet, he was thinking space travel. And when it was still science fiction to most people, he was developing the theory, and doing the math, for multistage rockets..
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On this day in 1930 – September 17th – NASA astronaut Edgar Dean "Ed" Mitchell was born in Hereford, Texas.
Mitchell was the lunar module pilot for the Apollo 14 mission and the sixth man to walk on the Moon.
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. On this day in 1977 – September 18th – NASA's Voyager 1 took the first ever photo of both the Earth and the Moon together in space.The crescent Moon is very faint in the upper left of the photo..
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On this day in 2006 – September 18th – Anousheh Ansari was the first self-funded woman to travel to the International Space Station.
Ansari is an Iranian American engineer and co-founder and chairwoman of Prodea Systems. During her eight-day stay aboard the International Space Station, she conducted several experiments for the European Space Agency. Ansari also published a weblog, something that had not been done before.
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On this day in 1886 – September 21st – English writer H.G. Wells was born in Bromley, Kent.
Wells is considered to be one of the fathers of science fiction. His best known novel is The War of the Worlds.
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. On this day in 1969 – September 21st – during a comet-hunting expedition, Klim Churyumov and Svetlana Gerasimenko discovered the object subsequently named Comet 67P/Churyumov-Gerasimenko.This was the comet that would later be orbited and studied by ESA's Rosetta Mission..
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On this day in 2003 – September 21st – NASA's Galileo mission was ended by having the spacecraft plunge into Jupiter.
Galileo was the first spacecraft to orbit Jupiter, the first to achieve an asteroid flyby (951 Gaspra), and it discovered the first asteroid moon - Dactyl, orbiting asteroid 243 Ida.
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. On this day in 1556 – September 22nd – a Danish noblewoman and horticulturalist, Sophia Brahe was born in Knudstrop, Denmark (now part of Sweden).She was also knowledgable in astronomy, chemistry and medicine. The younger sister of Tycho Brahe, she often assisted him with his astronomical observations..
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