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Donald Roy Pettit
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Donald Roy Pettit (born April 20, 1955) is an American chemical engineer and a NASA astronaut. He is a veteran of a six-month stay aboard the International Space Station and a six-week expedition to find meteorites in Antarctica. Read more STS-126: Shuttle Endeavour Launches to the ISS [video=ht...
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Brett J. Gladman
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Brett J. Gladman (born April 19, 1966) is a Canadian astronomer and a full professor at the University of British Columbia's Department of Physics and Astronomy in Vancouver, British Columbia. Read more
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Chris Lintott
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Public Lecture Chris Lintott The Graduate School G-1 Communications Building Box 353770 Seattle, Washington Scientists and researchers in disciplines from astrophysics to zoology are facing a common problem: rather than poring over one or two photographic plates, astronomers have access t...
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Mu Guoguang (1931 - 2012)
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Renowned Chinese physicist Mu Guoguang dies at 81 Renowned Chinese physicist and former president of the prestigious Nankai University, Mu Guoguang, passed away at the age of 81, the university announced Friday. Mu died of unspecified causes in Tianjin on Thursday, according to an obituary pos...
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Giovanni Battista Riccioli (1598 - 1671)
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Giovanni Battista Riccioli (17 April 1598 - 25 June 1671) was an Italian astronomer and a Catholic priest. He was a Jesuit who entered the order in 1614. He was also the first person to measure the rate of acceleration of a freely falling body. Read more
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Jerrie Mock
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Geraldine "Jerrie" Fredritz Mock (born November 22, 1925 in Newark, Ohio) was the first woman to fly solo around the world. The trip ended April 17, 1964 and took 29 days, 21 stopovers and almost 22,860 miles. Read more
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David McDowell Brown (1956 - 2003)
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David McDowell Brown (April 16, 1956 - February 1, 2003) was a United States Naval Captain and a NASA astronaut. He died on his first space flight, when the Space Shuttle Columbia (STS-107) disintegrated during orbital reentry into the Earth's atmosphere. [url=http://en.wikipedia.org/wiki/D...
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Sir John Franklin (1786 - 1847)
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Rear-Admiral Sir John Franklin KCH FRGS RN (16 April 1786 - 11 June 1847) was a British Royal Navy officer and Arctic explorer. Franklin also served as governor of Tasmania for several years. In his last expedition, he disappeared while attempting to chart and navigate a section of the Northwest Pas...
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Harriet Quimby
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Harriet Quimby (May 11, 1875 - July 1, 1912) was an early American aviator and a movie screenwriter. In 1911 she was awarded a U.S. pilot's certificate by the Aero Club of America, becoming the first woman to gain a pilot's license in the United States. On April 16, 1912, Quimby took off from Dover, Engl...
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Sir Robert Sibbald (1641 - 1722)
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Sir Robert Sibbald (15 April 1641 - August 1722) was a Scottish physician and antiquary. In 1667 with Sir Andrew Balfour he started the botanical garden in Edinburgh, and he took a leading part in establishing the Royal College of Physicians of Edinburgh, of which he was elected president in 1684. Th...
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Friedrich Georg Wilhelm von Struve
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Friedrich Georg Wilhelm von Struve (April 15, 1793 - November 23, 1864 (Julian calendar: November 11)) was a Baltic German astronomer from a famous dynasty. Read more
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Georgy Beregovoy (1921 - 1995)
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Georgy Timofeyevich Beregovoy (April 15, 1921 - June 30, 1995) was a Soviet cosmonaut who commanded the space mission Soyuz 3 in 1968. Read more
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Adam Tanner (1572 - 1632)
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Adam Tanner (in Latin, Tannerus) (April 14, 1572 - May 25, 1632) was an Austrian Jesuit professor of mathematics and philosophy. Read more
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Robert Watson-Watt (1892 - 1973)
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Sir Robert Alexander Watson-Watt, KCB, FRS, FRAeS (13 April 1892 - 5 December 1973) is considered by many to be the "inventor of radar". (The hyphenated name is used herein for consistency, although this was not adopted until he was knighted in 1942.) Development of radar, initially nam...
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Arthur Matthew Weld Downing (1850 - 1917)
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Arthur Matthew Weld Downing (13 April 1850 - 8 December 1917) was a British astronomer. Read more
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