The Flame Nebula
The
Flame Nebula sits on the eastern hip of Orion the Hunter, a
constellation most easily visible in the northern hemisphere during
winter evenings. This view of the nebula was taken by WISE, NASA's
Wide-field Infrared Survey Explorer.
This image shows a vast
cloud of gas and dust where new stars are being born. Three familiar
nebulae are visible in the central region: the Flame Nebula, the
Horsehead Nebula and NGC 2023. The Flame Nebula is the brightest and
largest in the image. It is lit by a star inside it that is 20 times the
mass of the sun and would be as bright to our eyes as the other stars
in Orion's belt if it weren't for all the surrounding dust, which makes
it appear 4 billion times dimmer than it actually is.
Image Credit: NASA/JPL-Caltech/UCLA
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