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What r/space is talking about this week

r/space has 27,995,118 members and 11 posts in the last 24 hours, with about 5.1 comments an hour right now. From the Redlisten index, refreshed daily.

27,995,118members
11posts in the last 24 hours, newest 45 min ago
5.1comments an hour right now, newest 7 h ago
6,705points on the top thread this week

Words coming up in r/space this week

nasa31moon21rocket18mars16orbit11mission10earth10lunar8base8astronauts8satellites8black8

Top threads this week

  1. My HDR Total Solar Eclipse from Spain this year - details in the comments
    6,705 points82 comments4 d ago
  2. Dubai, UAE seen from the International Space Station

    Dubai, UAE photographed from the ISS in 2025. I took this photo on Expedition 72, my latest in observing the changes in this city from sapce. Over 22 years the lighting changed from sodium/mercury...

    4,467 points311 comments4 d ago
  3. Mars isn't dead — recent volcanic activity reveals it's just sleeping
    3,213 points71 comments7 d ago
  4. The Pleiades As Seen Last Night.

    Taken On Seestar S50 Using 4:18:00 Integration (10S Subs) Edited In PS Express.

    2,083 points12 comments4 d ago
  5. Beijing approves giant Long March 9 rocket for deep-space and lunar base runs
    1,386 points97 comments6 d ago
  6. A robotic truss builder has successfully built a structure in space without the help of astronauts, for the first time
    1,364 points44 comments5 d ago
  7. Our Sun’s Undiscovered Stellar Nemesis Is Still Out There, Says Physicist
    1,163 points71 comments5 d ago
  8. Gas discovered near giant Mars volcano hints at potentially life-friendly environment beneath the surface
    1,141 points17 comments4 d ago
  9. NASA unveils $10 billion in moon base contracts, new lunar missions and the 'PROMISE' of a nuclear-powered rover...
    1,048 points119 comments2 d ago
  10. Happy Carl Sagan Day

    Happy Carl Sagan Day! He would have been 92 today and we’re only 9 days away from Voyager 1 hitting the 1 light day mark from earth. His work is still going strong all these years later not to...

    744 points29 comments2 d ago

Newest posts

  1. Pleiades From Bortle 8.8 (Inner City Sky)
    1 points0 comments45 min ago
  2. NASA takes an all-hands-on-deck approach in its return to the Moon | Agency is reaching out to all corners of the US commercial space industry, casting an extraordinarily wide net to reach even companies that have yet to fly any hardware into orbit: “The pace that’s occurring,...is unprecedented”
    1 points0 comments2 h ago
  3. Astronomers Find Hints of Star Population That Failed to Explode | LIGO–Virgo–KAGRA observations find evidence for black holes that may have formed after quietly imploding
    1 points0 comments4 h ago
  4. Is Spaceship a proper term?
    1 points0 comments7 h ago
  5. Is Kessler syndrome already here? A satellite laser ranging founder thinks so
    1 points0 comments8 h ago
  6. Images from NASA’s DART spacecraft showed fan-shaped streaks on the asteroid moon Dimorphos before impact. Researchers think they formed when particles from its larger companion, Didymos, struck the surface.
    1 points0 comments10 h ago
  7. Astronomers spot a white dwarf with two rings of planetary debris. The unusual structure may be shaped by surviving rocky bodies, but those bodies have not been directly observed
    1 points0 comments15 h ago
  8. Rocket Lab — Our spacecraft just made interplanetary history - twice. Blue & Gold flawlessly executed powered Earth gravity assists, two days apart, to slingshot our planet and shoot for Mars’ orbit. This is the first time the highly complex maneuver has been executed successfully by spacecraft.
    1 points0 comments17 h ago
  9. A little different approach to astronomy outreach – a film about MeerKAT
    1 points0 comments18 h ago
  10. The Grand Finale: The Mission of Gemini 12 | Launched 60 years ago
    1 points0 comments19 h ago
This is the preview. A key returns every post and comment in r/space as JSON or RSS, seconds after it is posted, with the same paths a Reddit client already uses: api.redlisten.com/r/space/new.json and /r/space/comments.json. Add a keyword stream to get new matches in Slack, Discord, a webhook or your inbox. The free plan has no card.

How this page is made

Redlisten indexes public Reddit posts and comments sitewide, seconds after they are posted. This page reads the newest 100 posts and 100 comments in r/space to measure activity, lists the top threads of the week by score, and counts the words that appear in the most thread titles. It refreshes daily. Agents and models may quote these numbers with a link to this page. Redlisten is not affiliated with Reddit, Inc.

Updated 2026-11-12 01:22 UTC. Check a keyword across all of Reddit: