apod: 2024 February 9 When Roses Aren’t Red Image Credit & Copyright: Tommy Lease (Denver Astronomical Society) Explanation: Not all roses are red of course, but they can still be very pretty. Likewise, the beautiful Rosette Nebula and other star forming regions are often shown in astronomical images with a predominately red hue, in part because the dominant emission in the nebula is from hydrogen atoms. Hydrogen’s strongest optical emission line, known as H-alpha, is in the red region of the spectrum. But the beauty of an emission nebula need not be appreciated in red light alone. Other ..read more

traverse-our-universe: M51: The Whirlpool Galaxy Nick Fritz on Instagram ..read more

traverse-our-universe: NGC 2359 or Thor’s Helmet captured by Nick Fritz ..read more

It’s ya boi popping in from nowhere to post selfies and then probably disappear for months again, I hope you all are doin at least a little bit better than shitty ..read more

apod: 2023 September 28 The Deep Lagoon Image Credit & Copyright: Josep Drudis, Christian Sasse Explanation: Ridges of glowing interstellar gas and dark dust clouds inhabit the turbulent, cosmic depths of the Lagoon Nebula. Also known as M8, The bright star forming region is about 5,000 light-years distant. It makes for a popular stop on telescopic tours of the constellation Sagittarius toward the center of our Milky Way Galaxy. Dominated by the telltale red emission of ionized hydrogen atoms recombining with stripped electrons, this deep telescopic view of the Lagoon’s central reaches i ..read more

humanoidhistory: Rick Guidice, 1974. (MoMA ..read more

nobrashfestivity: Mount Wilson Observatory, Film Footage, Solar Eclipse, 1930 ..read more

fuckyeahastrophysics: fuckyeahastrophysics: Available now on Kindle Vella! The first 3 episodes are free. Please follow the story if you’re interested! A bit more details below. Keep reading Already 5 episodes up babyyyyy I’ll be posting new episodes every Wednesday and Saturday from now on ..read more

Being autistic in a neurotypical world is so fucking exhausting ..read more

bestboxerever: Sci-fi ..read more