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Дата изменения: Tue Aug 30 11:43:35 2005
Дата индексирования: Tue Oct 2 17:35:31 2012
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Albireo: A Bright and Beautiful Double
Astronomy Picture of the Day
    


Albireo: A Bright and Beautiful Double
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Albireo: A Bright and Beautiful Double
Credit & Copyright: Richard Yandrick (Cosmicimage.com)
Explanation: Sometimes, even a small telescope can help unlock a hidden beauty of the heavens. Such is the case of the bright double star Albireo. Seen at even slight magnification, Albireo unfolds from a bright single point into a beautiful double star of strikingly different colors. At 380 light years distant, the two bright stars of Albireo are comparatively far from each other and take over 7000 years to complete a single orbit. The brighter yellow star is itself a binary star system, but too close together to be resolved even with a telescope. Albireo, pictured above, is the second brightest star system toward the constellation of the Swan (Cygnus) and easily visible to the unaided eye.

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Authors & editors: Robert Nemiroff (MTU) & Jerry Bonnell (USRA)
NASA Web Site Statements, Warnings, and Disclaimers
NASA Official: Jay Norris. Specific rights apply.
A service of: LHEA at NASA / GSFC
& Michigan Tech. U.

Based on Astronomy Picture Of the Day

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