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Anne’s Image of the Day: The Rho Ophiuchi Cloud Complex

16 Mar 2014, 13:17 UTC
Anne’s Image of the Day: The Rho Ophiuchi Cloud Complex
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March 16, 2014 The Rho Ophiuchi Cloud Complex, a dark nebula in Ophiuchus Image Credit: NASA/JPL-Caltech/WISE Team The Rho Ophiuchi Cloud Complex (Rho Oph for short, or the Ophiuchus Molecular Cloud, and pronounced ‘oh-fee-yoo-ki’ and named after a bright star in the region) is a dark nebula, an emission and reflection nebula of about [continue reading]

March 16, 2014
The Rho Ophiuchi Cloud Complex, a dark nebula in Ophiuchus

Image Credit: NASA/JPL-Caltech/WISE Team
The Rho Ophiuchi Cloud Complex (Rho Oph for short, or the Ophiuchus Molecular Cloud, and pronounced ‘oh-fee-yoo-ki’ and named after a bright star in the region) is a dark nebula, an emission and reflection nebula of about 14 light-years across that is located some 460 light-years away from Earth in the constellation of Ophiuchus (the Serpent-bearer). It is one of the closest star-forming regions to the Solar System.
It consists of two major regions of dense gas and dust. Lynds 1688 (L1688), the bright white main cloud of molecular hydrogen, a key molecule allowing new stars to form from cold cosmic gas, with two long filaments trailing off in different directions. The other, Lynds 1689 (L1688), has a star-forming region with one long filament.
Temperatures of the ...

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