825 posts analyzed Updated Jul 2026
Averages 27 posts/day, top 10% activity. Most active Sundays around 9 AM UTC. Mostly image posts (63%).
r/Astronomy Traffic & Engagement r/Astronomy 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/Astronomy Most Active Times When r/Astronomy 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/Astronomy Flair Performance r/Astronomy Flair Performance
Upvotes and volume by flair Average upvotes and post volume by flair
| Flair | Posts | Upvotes |
|---|---|---|
| Astrophotography (OC) | 394 (49.2%) | 298 |
| Astro Research | 127 (15.9%) | 31 |
| Discussion: [Topic] | 73 (9.1%) | 23 |
| Other: [Topic] | 63 (7.9%) | 33 |
| Astro Art (OC) | 59 (7.4%) | 174 |
| Question (Describe all previous attempts to learn / understand) | 58 (7.2%) | 29 |
| Object ID (Consult rules before posting) | 21 (2.6%) | 133 |
| Other: News | 3 (0.4%) | 41 |
| Telescope Help (Don't post here, post on r/telescopes!) | 3 (0.4%) | 2 |
Post Type Breakdown
Share by text, image, or link Share of posts by format: text, image, or link
r/Astronomy Trending Keywords Trending Keywords in r/Astronomy
Ranked by how often they appear Title keywords ranked by how often they appear
| Keyword | Mentions ▼ | Upvotes | Comments |
|---|---|---|---|
| nebula | 97 (11.8%) | 210 | 3 |
| moon | 64 (7.8%) | 113 | 5 |
| galaxy | 52 (6.3%) | 251 | 4 |
| first | 48 (5.8%) | 96 | 3 |
| astronomy | 46 (5.6%) | 3 | 3 |
| space | 34 (4.1%) | 65 | 7 |
| telescope | 33 (4.0%) | 62 | 5 |
| ngc | 28 (3.4%) | 309 | 3 |
| way | 27 (3.3%) | 1.2K | 24 |
| star | 27 (3.3%) | 48 | 5 |
r/Astronomy Mentioned Domains Mentioned Domains in r/Astronomy
Most linked sites Most linked sites in this subreddit
| Domain | Links | Upvotes |
|---|---|---|
| phys.org | 20 | 25 |
| youtu.be | 13 | 1 |
| youtube.com | 9 | 1 |
| space.com | 7 | 231 |
| astrodoc.ca | 4 | 81 |
| scientificamerican.com | 3 | 41 |
| news.arizona.edu | 3 | 16 |
| i.imgur.com | 3 | 1 |
r/Astronomy Top Posts Top Performing Posts in r/Astronomy
Highest-performing posts Highest-performing posts. Each title links to Reddit.
My view of the Milky Way from the ISS Cupola window.
I Photographed the ISS Passing by Planet Venus Yesterday in Broad Daylight.
Did you know that Mercury has a Sodium Trail?
I captured the Milky Way arch in the Dolomites
Andromeda galaxy
My first decent Milky Way shots.
What is this dark line in the sky?
Saturnian System
M16 & The Pillars of Creation
Astronomers discover a potentially habitable planet just 25 light-years away. 'This one is exciting'
| Title | Upvotes | Comments | Type | Date |
|---|---|---|---|---|
| My view of the Milky Way from the ISS Cupola window. | 21.7K | 359 | image | Jul 31 |
| I Photographed the ISS Passing by Planet Venus Yesterday in Broad Daylight. | 6.4K | 121 | image | Jul 19 |
| Did you know that Mercury has a Sodium Trail? | 6.0K | 124 | image | Jul 6 |
| I captured the Milky Way arch in the Dolomites | 4.2K | 124 | image | Jul 29 |
| Andromeda galaxy | 2.0K | 17 | image | Jul 5 |
| My first decent Milky Way shots. | 1.8K | 36 | image | Jul 25 |
| What is this dark line in the sky? | 1.7K | 82 | image | Jul 14 |
| Saturnian System | 1.7K | 26 | image | Jul 4 |
| M16 & The Pillars of Creation | 1.6K | 37 | image | Jul 12 |
| Astronomers discover a potentially habitable planet just 25 light-years away. 'This one is exciting' | 1.5K | 163 | link | Jul 4 |
r/Astronomy Audience Overlap r/Astronomy Subreddit Overlap & Related Communities
Overlapping audiences Communities with overlapping audiences
r/Astronomy FAQ Frequently Asked Questions About r/Astronomy
What's the best time to post on r/Astronomy?
Based on posting volume, r/Astronomy is most active on Sundays around 9 AM UTC. That window has the most community activity, but busier hours also mean more competition for attention.
How active is r/Astronomy?
r/Astronomy averages 27 posts per day and ranks in the top 10% for activity among tracked SFW subreddits.
How many upvotes do posts on r/Astronomy get?
Posts on r/Astronomy average about 170 upvotes this month (net score per post).
What kind of posts does r/Astronomy get most?
On r/Astronomy, most posts are image posts (63%)