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Thursday, March 26, 2009

Cone Nebula

Today's featured picture

Cone Nebula

The Cone Nebula is located about 2,600 light-years from Earth in the constellation Monoceros and is so named because of its apparent shape. The cone's shape comes from a dark nebula consisting of cold molecular hydrogen and dust in front of a faint emission nebula containing hydrogen ionized by S Monocerotis, the brightest star of NGC 2264, of which the nebula is part. This image shows the upper 2.5 light-years of the 7 light-year-long Cone Nebula.

Photo credit: Hubble Space Telescope

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