845 posts analyzed Updated Jul 2026
Averages 27 posts/day, top 10% activity. Most active Wednesdays around 11 AM UTC. Mostly link posts.
r/space Traffic & Engagement r/space Traffic & Engagement
Volume and engagement over time Posting volume and engagement over time
Post Format
Upvote Distribution
How upvoted posts perform Only posts with 2+ upvotes. The bands below show how those posts are spread by upvote count.
r/space Most Active Times When r/space Is Most Active
Peak posting by day and hour (UTC) When this community posts most, by day and hour (UTC)
Most Active by Day
r/space Flair Performance r/space Flair Performance
Upvotes and volume by flair Average upvotes and post volume by flair
| Flair | Posts | Upvotes |
|---|---|---|
| Discussion | 223 (76.1%) | 13 |
| image/gif | 70 (23.9%) | 963 |
Post Type Breakdown
Share by text, image, or link Share of posts by format: text, image, or link
r/space Trending Keywords Trending Keywords in r/space
Ranked by how often they appear Title keywords ranked by how often they appear
| Keyword | Mentions ▼ | Upvotes | Comments |
|---|---|---|---|
| space | 187 (22.1%) | 236 | 26 |
| nasa | 77 (9.1%) | 221 | 31 |
| moon | 65 (7.7%) | 246 | 24 |
| earth | 64 (7.6%) | 268 | 32 |
| first | 51 (6.0%) | 425 | 29 |
| mars | 39 (4.6%) | 112 | 13 |
| launch | 38 (4.5%) | 308 | 91 |
| spacex | 35 (4.1%) | 344 | 82 |
| mission | 34 (4.0%) | 182 | 20 |
| rocket | 33 (3.9%) | 512 | 69 |
r/space Mentioned Domains Mentioned Domains in r/space
Most linked sites Most linked sites in this subreddit
| Domain | Links | Upvotes |
|---|---|---|
| youtu.be | 43 | 6 |
| youtube.com | 42 | 5 |
| arstechnica.com | 23 | 583 |
| scientificamerican.com | 22 | 703 |
| space.com | 21 | 207 |
| science.nasa.gov | 9 | 129 |
| wired.com | 9 | 674 |
| eso.org | 7 | 95 |
| x.com | 7 | 98 |
| spacenews.com | 6 | 204 |
r/space Top Posts Top Performing Posts in r/space
Highest-performing posts Highest-performing posts. Each title links to Reddit.
I captured the Cygnus in the Dolomites
The milkyway arch above the Dolomites
Space datacenters proposed by Musk and Bezos ‘catastrophic’ for planet, experts warn
Scientists spot sugar in interstellar space for the first time ever
I captured the ISS transiting our Sun
46 years ago, Carl Sagan beautifully explained the fourth dimension using a sliced apple
SpaceX vaporizes 260 Starlink satellites in six months using Earth's atmosphere — new environmental concerns emerge over burning 2,700-pound orbital data centers, FCC seeks to exempt satellites from regulations
I captured Andromeda galaxy by my phone camera,Outside my tent.
Our Milky Way from orbit
The Coalsack dark nebula adorned by the southern cross, the Running Chicken and Carina nebula, above Bruce Munro's Field of Light at Uluru in Australia. Image by Vikas Chander
r/space Audience Overlap r/space Subreddit Overlap & Related Communities
Overlapping audiences Communities with overlapping audiences
r/space FAQ Frequently Asked Questions About r/space
What's the best time to post on r/space?
Based on posting volume, r/space is most active on Wednesdays around 11 AM UTC. That window has the most community activity, but busier hours also mean more competition for attention.
How active is r/space?
r/space averages 27 posts per day and ranks in the top 10% for activity among tracked SFW subreddits.
How many upvotes do posts on r/space get?
Posts on r/space average about 224 upvotes this month (net score per post).
What kind of posts does r/space get most?
On r/space, posts are a mix of formats, mostly link posts