MrJackDog OP t1_iu4bcx7 wrote
Reply to comment by Alice710 in Cygnus region of the Milky Way setting over the Blue Ridge Mountains in Virginia [3376 x 4672] (OC) by MrJackDog
The red is because of the specific wavelength of light of hydrogen alpha ions. Most of the Star forming and dying regions of space are awash in hydrogen alpha and so are dominantly red.
Alice710 t1_iu4ef23 wrote
That's wild. This is beautiful. Thank you for sharing!
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