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John Flamsteed (Flamsteed John)

( English astronomer.)

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Biography John Flamsteed (Flamsteed John)
(1646-1719)
Born August 19, 1646 in Denby (Derbyshire). In 16 years, began to study astronomy. Using a small telescope, the exact position of stars, planets, the sun, the moon's motion amounted to a table. In the scientific world became known for computation of eclipses and lunar occultations. From 1670 he worked at Cambridge University, where in 1674 received a master's degree. In 1675 he was appointed director of the newly organized at the direction of Charles II's Royal Greenwich Observatory (the first royal astronomer), . where he began systematic observations of the planets, . Moon and Sun, . revised the theory of their motions and engaged in the calculation of the ephemeris,
. Despite poor health, participated in the design and assembly of new tools. To accurately determine the slope of the ecliptic, the position of the equinoxes and direct ascent stars. Improved theory of the Moon, Jupiter and Saturn. Observations Flamsteed presented in his fundamental work history of the British palate (Historia coelestis Britannica); third volume of work, the famous British Directory was published posthumously in 1725 and contains data on the situation of 3000 stars. All the stars catalog Flamsteed assigned numbers in ascending order of right ascension within each constellation. These numbers often represent the stars today (eg, 61 Cygni). Flamsteed was also the tables of atmospheric refraction and tide tables, invented the conical projection in cartography. Flamsteed died in London on December 31, 1719.


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John Flamsteed (Flamsteed John), photo, biography
John Flamsteed (Flamsteed John), photo, biography John Flamsteed (Flamsteed John)  English astronomer., photo, biography
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