r/askspace↗
AskSpace: Ask Questions. Get Answers. Discuss Space
A community for asking and answering space, astronomy and spaceflight related questions.
5.4k subscribers49 posts / mo in Sep 202641 authors / mosince 2012
r/askspace has 5.4k members. It gets about 49 posts a month from 41 people. Top topics: Exoplanet Discoveries, Solar System Scale & Planets and Interstellar Exploration.
When to post on r/askspace
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How r/askspace has grown
Subscriber growth
Subscribers over time
Monthly activity
Posts, comments and authors per month
Topics and brands on r/askspace
Top topics
Share of the subreddit's posts
- Exoplanet Discoveries1.2%
- Solar System Scale & Planets0.8%
- Interstellar Exploration0.8%
- Space Debris Management0.7%
- Moon and Earth Dynamics0.7%
Brands people mention
Most-mentioned brands and sites, last 12 months
- NASA
- arXiv.org e-Print archive
- SpaceX
Everything else about r/askspace
Posting rules and account requirements, how often posts get removed, who writes here (age, gender, countries), what people ask for, how they talk, and related subreddits — all in the full report.
Posts and activity for Sep 2026. Members from Reddit's subscriber counts. Read from the same data the app runs on. Our research