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r/AstronomyNSFW

3.1M members. The best post we have captured here reached 5.4K upvotes, which works out to 2 per 1,000 members.

2peak upvotes per 1,000 members
3.1Mmembers
5.4Kbest post
145most comments
102posts we track

Open r/Astronomy on Reddit β†—

What actually lands here

The mix of post types among everything we have captured. Posting a link where almost nothing but images lands is wasted effort, and this is the fastest way to see it.

42% 17% 14% 13% 12%
Image 42% Text 17% Link 14% Question 13% Gallery 12% Video 3%

The topics it labels

Flairs are the community's own categories, and the closest thing a subreddit has to telling you what it wants.

Astrophotography (OC) 1

What the ceiling looks like

The biggest posts we have captured here. Links go to the original on Reddit.

I Captured the Sun’s Corona During the August 12 Totality and Combined it with a Picture of the Sun Taken Moments Before to Reveal This HDR View.

↑ 5.4K πŸ’¬ 64 image 2026

Milky Way & Airglow

↑ 2.7K πŸ’¬ 65 image 2026

I took Wikipedia’s Andromeda Photo

↑ 2K πŸ’¬ 69 image 2026

M51 Whirlpool Galaxy

↑ 1.9K πŸ’¬ 36 image 2026

The Pillars of Creation

↑ 1.5K πŸ’¬ 14 image 2026

The Sun has been absolutely belching out CMEs in the same direction over the last few days

↑ 1.3K πŸ’¬ 73 video 2026

Still amazes me what a regular old, non-pro, iPhone can do…

↑ 1.2K πŸ’¬ 61 image 2026

First image using the SW Solar Quest

↑ 1K πŸ’¬ 9 image 2026

Iris Nebula

↑ 1K πŸ’¬ 9 image 2026

5 years of Proper Motion - Barnard’s Star

↑ 905 πŸ’¬ 9 image 2026

Communities its size

Within four times the member count either way, so the comparison is fair. Sorted by upside.

See what is climbing here before you write

ViralHunt tracks Reddit and eight other networks, records how every post grows, and puts what is taking off in front of your team in one list.

Start free β†’

Every figure here is what ViralHunt has captured from r/Astronomy, not everything the community has ever posted. We deliberately do not publish an average score: our sample is weighted toward a community's best posts, so an average would be flattering and wrong. Peak per 1,000 members is computed the same way for every community listed. See how we measure.