A false-color multiwavelength image of the Andromeda Galaxy (M31) seen nearly edge-on against a black background. The galaxy's disk glows in vivid reds and oranges with a bright yellow-white ring structure encircling a blue area in the center. Faint green wisps extend into the surrounding background on the left side.
Andromeda galaxy -- wherein: red = hydrogen gas, green = cold dust, blue = warmer dust -- located 2.5 million LY away (and closing)!
Unsurprisingly, this galaxy was the #GoldStar winner in our #astronomy episode on the #constellation #Andromeda -- listen […]
[Original post on universeodon.com]