Tuesday, October 28, 2008
Henrietta Leavitt
Henrietta Leavitt
1868-1921
*determine a star’s photographic brightness. Leavitt determined the absolute magnitude of about 47 stars near the North Pole. These stars were used as a standard to determine others stars’ brightness
http://pvastro0714.blogspot.com/2008/03/henrietta-swan-leavitt.html
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