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. (Editors' note: The prominent diffraction spikes are caused by the telescope itself and may be either distracting or provide aesthetic enhancement, depending on your point of view.)

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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.

Publikacii s klyuchevymi slovami: M 45 - pleiades - open cluster - Pleyady - otrazhatel'nye tumannosti - Rasseyannoe skoplenie Publikacii so slovami: M 45 - pleiades - open cluster - Pleyady - otrazhatel'nye tumannosti - Rasseyannoe skoplenie
Sm. takzhe: Pleyady: zvezdnoe skoplenie Sem' sester NGC 602: zvezdy protiv stolbov Prizraki v Kassiopee Sem' Sester v pyli NGC 6727: tumannost' Buinyi Pavian Luna v poslednei chetverti i zvezdy-sestry NGC 7023: tumannost' Iris Vse publikacii na tu zhe temu >>