r/Astronomy
BorderlineThe amateur hobby of humanity since the dawn of time and scientific study of celestial objects.
Members
2,988,721
as of February 2025
Last post
1 month ago
September 25, 2026
Posts (30 days)
100+
Created
2008
March 28, 2008
Total posts
158.4K
archived
Total comments
1.0M
archived
Is r/Astronomy dead? Activity is slowing.
No posts in 47 days. That's not long enough to be considered abandoned yet — communities usually need 60+ days of inactivity (and inactive moderators) before Reddit will hand them over.
Find abandoned subreddits in this niche you can claim →Frequently asked questions about r/Astronomy
How many members does r/Astronomy have?
r/Astronomy had 2,988,721 members as of February 2025, the most recent archive crawl of its subscriber count.
Is r/Astronomy dead?
r/Astronomy looks quiet: its most recent post was 1 month ago (47 days). Post activity is a strong signal, but whether a subreddit can be claimed depends on its moderators being inactive across all of Reddit.
When was r/Astronomy created?
r/Astronomy was created on March 28, 2008.
Can I take over r/Astronomy?
Probably not. r/Astronomy is still in active use, and Reddit only hands over communities whose human moderators have all gone inactive on Reddit for 60+ days. If you want a community in this niche, look for abandoned subreddits on the same topic instead — DeadSubs finds them automatically.
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Activity checked November 12, 2026from the Arctic Shift Reddit archive. Member counts come from the archive's most recent crawl and may lag Reddit. DeadSubs is not affiliated with Reddit Inc.