Astronomy Picture of the Day

M45: The Pleiades Star Cluster

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#104686 by @ 19.11.2007 00:00 - nach oben -
M45: The Pleiades Star Cluster

Explanation: Perhaps the most famous star cluster on the sky, the Pleiades can be seen without binoculars from even the depths of a light-polluted city. Also known as the Seven Sisters and M45, the Pleiades is one of the brightest and closest open clusters. The Pleiades contains over 3000 stars, is about 400 light years away, and only 13 light years across. Quite evident in the above photograph are the blue reflection nebulae that surround the brighter cluster stars. Low mass, faint, brown dwarfs have also been found in the Pleiades.

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#104688 by @ 19.11.2007 09:11 - nach oben -
Ah die berüehmte Heimat vo dä Plejader, am Billy Meier sini Kollege.