751 posts analyzed Updated Sep 2026
Averages 25 posts/day, top 10% activity. Most active Sundays around 4 PM UTC. Mostly image posts (69%).
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) | 400 (54.3%) | 286 |
| Discussion: [Topic] | 82 (11.1%) | 27 |
| Other: [Topic] | 75 (10.2%) | 36 |
| Astro Research | 74 (10.0%) | 50 |
| Question (Describe all previous attempts to learn / understand) | 56 (7.6%) | 5 |
| Astro Art (OC) | 42 (5.7%) | 86 |
| Object ID (Consult rules before posting) | 8 (1.1%) | 8 |
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 | 95 (12.7%) | 259 | 4 |
| moon | 41 (5.5%) | 359 | 10 |
| galaxy | 39 (5.2%) | 297 | 5 |
| way | 34 (4.5%) | 353 | 8 |
| milky | 31 (4.1%) | 385 | 9 |
| star | 30 (4.0%) | 50 | 6 |
| ngc | 24 (3.2%) | 288 | 4 |
| andromeda | 24 (3.2%) | 520 | 8 |
| space | 23 (3.1%) | 127 | 11 |
| astronomy | 23 (3.1%) | 46 | 12 |
r/Astronomy Mentioned Domains Mentioned Domains in r/Astronomy
Most linked sites Most linked sites in this subreddit
| Domain | Links | Upvotes |
|---|---|---|
| phys.org | 7 | 23 |
| youtube.com | 5 | 1 |
| science.nasa.gov | 4 | 12 |
| youtu.be | 4 | 1 |
| space.com | 3 | 224 |
| eos.org | 3 | 71 |
| aasnova.org | 3 | 115 |
r/Astronomy Top Posts Top Performing Posts in r/Astronomy
Highest-performing posts Highest-performing posts. Each title links to Reddit.
Just 2 Hours Ago, the Moon Passed Directly Past the Jupiter System as it Orbited Earth. This is Not a Composite Image — They Actually Appeared This Close Together.
I shot the Milky Way during 44 hours to get this
I found the Eye of Spitzkoppe, Namibia
Some of my best solar shots over the last several months
My favorite shot from this summer.
The Milky Way Captured on iPhone 17 Pro Max
Summer Milkyway above open air archeological museum
Moonrise behind Burg Hohenzollern, Germany [OC]
My best picture of andromeda galaxy [OC]
One in a lifetime shot. I caught a meteor in front of California Nebula [OC]
| Title | Upvotes | Comments | Type | Date |
|---|---|---|---|---|
| Just 2 Hours Ago, the Moon Passed Directly Past the Jupiter System as it Orbited Earth. This is Not a Composite Image — They Actually Appeared This Close Together. | 11.4K | 131 | image | Sep 8 |
| I shot the Milky Way during 44 hours to get this | 4.2K | 129 | image | Sep 8 |
| I found the Eye of Spitzkoppe, Namibia | 3.9K | 48 | image | Sep 2 |
| Some of my best solar shots over the last several months | 2.9K | 84 | image | Sep 15 |
| My favorite shot from this summer. | 2.2K | 36 | image | Sep 26 |
| The Milky Way Captured on iPhone 17 Pro Max | 2.2K | 43 | image | Sep 3 |
| Summer Milkyway above open air archeological museum | 2.0K | 21 | image | Sep 1 |
| Moonrise behind Burg Hohenzollern, Germany [OC] | 1.8K | 28 | image | Sep 28 |
| My best picture of andromeda galaxy [OC] | 1.7K | 30 | image | Sep 9 |
| One in a lifetime shot. I caught a meteor in front of California Nebula [OC] | 1.7K | 14 | image | Sep 11 |
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 4 PM 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 25 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 (69%)