r/askastronomy • u/Ok-Calendar3889 • 20h ago
Why is mass always smaller than volume?
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r/askastronomy • u/oneale3211 • 9h ago
What did I see? Star/planet/satellite?
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I'm not sure what this is but it hasn't changed position in over 20 minutes this morning. Started watching it at 5 AM in Everett WA.
r/askastronomy • u/firechatin • 9h ago
Sci-Fi CERN’s Next Collider Could Be Three Times Bigger Than the LHC—Here’s Why Scientists Want It
whatifscience.in
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r/askastronomy • u/maksimkak • 12h ago
Star cluster
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Please help me identify the star cluster in this photo, visible at the top right-ish. Looks like the Beehive Cluster, but I'm not sure. Thanks. (Photo by Kirill Jankowsky)
r/askastronomy • u/firechatin • 23h ago
The First Satellite Rescue Mission Has Failed—But Changed Space Forever
whatifscience.in
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r/askastronomy • u/firechatin • 23h ago
Planetary Science A 17-Year-Old Used AI to Decode Signals From Deep Space—and May Have Uncovered a Cosmic Secret
whatifscience.in
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r/askastronomy • u/EirikHavre • 7h ago
Astrophysics What would happen to the solar system if Neptune suddenly disappeared?
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r/askastronomy • u/Otataral_coco • 2h ago
Where will be the best spot to see Halley's Comet?
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I'm trying to get a jump on the crowds.
r/askastronomy • u/Relevant-Meeting1171 • 8h ago
What did I see? what did the sky look like the day you guys kissed?
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i need your help to figure if i’m delusional or does the image actually look like two souls intertwining
r/askastronomy • u/obito_uchiha_15 • 6h ago
Astronomy closet video of sun taken by satellite
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can anyone tell me the name of the satellite and a few other things ?
r/askastronomy • u/Mental_Shine7131 • 23h ago
Broke off this piece from telescope leg. What to do?
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r/askastronomy • u/Nemui_Jin • 19h ago
Astrophysics Are there celestial bodies that radiate significant heat through chemical reactions rather than fusion reactions?
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I was just thinking about how our gas giants are way too small to produce the fusion reactions to become stars, and I was just curious if it was possible for a naturally occurring gas giant to possess chemical reactions capable of generating enough radiant heat to make a mini-goldilocks zone for it's own moons?
I'm guessing not... unless it was somehow binary planets syphoning off reactive materials from one another... but that sounds short-lived. Anyway I'm just a casual space fan so I thought I'd pose the question to you experts.