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Edward Emerson Barnard

Edward Emerson Barnard
EdwardEmersonBarnard.jpg
Edward Emerson Barnard
Born (1857-12-16)December 16, 1857
Nashville, Tennessee
Died February 6, 1923(1923-02-06) (aged 65)
Williams Bay, Wisconsin
Nationality American
Fields astronomy
Known for Barnard's Star
astrophotography
Notable awards Lalande Prize (1892)
Janssen Medal (1900)
Bruce Medal (1917)

Edward Emerson Barnard (December 16, 1857 – February 6, 1923) was an American astronomer. He was commonly known as E. E. Barnard, and was recognized as a gifted observational astronomer. He is best known for his discovery of the high proper motion of Barnard's Star in 1916, which is named in his honor.

Barnard was born in Nashville, Tennessee, to Reuben Barnard and Elizabeth Jane Barnard (née Haywood), and had one brother. His father died three months before his birth, so he grew up in an impoverished family and did not receive much in the way of formal education. His first interest was in the field of photography, and he became a photographer's assistant at the age of nine.

He later developed an interest in astronomy. In 1876 he purchased a 5-inch (130 mm) refractor telescope, and in 1881 he discovered his first comet, but failed to announce his discovery. He found his second comet later the same year and a third in 1882.

While he was still working at a photography studio he was married to the English-born woman Rhoda Calvert in 1881. In the 1880s, Hulbert Harrington Warner offered US$200 per discovery of a new comet. Edward discovered a total of five, and used the money to build a house for himself and his bride.

With his name being brought to the attention of amateur astronomers in Nashville, they collectively raised enough money to give Edward a fellowship to Vanderbilt University. Barnard never graduated from the school, but he did receive the only honorary degree Vanderbilt has ever awarded. He joined the staff of the Lick Observatory in 1887, though he later clashed with the director, Edward S. Holden, over access to observing time on the larger instruments and other issues of research and management.

In 1889 he observed the moon Iapetus pass behind Saturn's rings. As he watched Iapetus pass through the space between Saturn's innermost rings and the planet itself, he saw a shadow pass over the moon. Although he did not realise it at the time, he had discovered proof of the "spokes" of Saturn, dark shadows running perpendicular to the circular paths of the rings. These spokes were doubted at first, but confirmed by the spacecraft Voyager 1.


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