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Credit & Copyright: Martin Pugh
Explanation:
An eerie blue glow and ominous columns of dark dust highlight M78 and other bright
reflection nebula
in the constellation of Orion.
The dark filamentary
dust not only absorbs light, but also reflects the
light of several bright blue stars that
formed recently in the nebula.
Of the two reflection nebulas pictured above, the more famous nebula is M78, on the
upper right, while NGC 2071 can be seen to its lower left.
The same type of scattering that colors the
daytime sky further enhances the blue color.
M78
is about five
light-years across and visible through a small telescope.
M78 appears
above only as it was 1600 years ago, however, because that is how long it takes
light to go from
there
to here.
M78
belongs to the larger
Orion Molecular Cloud Complex
that contains the
Great Nebula in Orion and the
Horsehead Nebula.
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NASA Official: Jay Norris. Specific rights apply.
A service of: LHEA at NASA / GSFC
& Michigan Tech. U.
Based on Astronomy Picture
Of the Day
Publications with keywords: M 78 - dust - Orion - reflection nebula
Publications with words: M 78 - dust - Orion - reflection nebula
See also: