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Astronomy Picture of the Day
The Pleiades Star Cluster
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#62593
by
[z]Barbara Harris
@
04.01.2005 00:00
- nach oben -
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
. (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.) News:
APOD editor to speak in January in New York
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