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Friday, November 22, 2013

The Witch Head Nebula. It glows from light reflected from bright supergiant Rigel - Orion's left foot! Although Rigel is blue, the nebula is blue because the dust tends to absorb the red part of the light and reflect the blue. (Image: George Greany)

Andromeda in Infrared
Andromeda in Infrared
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tarantula nebula
tarantula nebula
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The Witch Head Nebula. It glows from light reflected from bright supergiant Rigel - Orion's left foot! Although Rigel is blue, the nebula is blue because the dust tends to absorb the red part of the light and reflect the blue. (Image: George Greany)
The Witch Head Nebula. It glows from light reflected from bright supergiant Rigel - Orion's left foot!  Although Rigel is blue, the nebula is blue because the dust tends to absorb the red part of the light and reflect the blue. (Image: George Greany)
Click here to download

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