r/Astronomy is a subreddit with 3.1M members. The community frequently discusses astronomy, moon, nebula, telescope, and galaxy, and they frequently recommend/review telescope, binoculars, and ipad apps, and the most common flair used is astrophotography (oc), discussion: [topic], astro art (oc), astro research, and object id (consult rules before posting).
The amateur hobby of humanity since the dawn of time and scientific study of celestial objects.
Popular Topics in r/Astronomy
#1
Astronomy
51 posts
#2
Moon
38 posts
#3
Nebula
37 posts
#4
Telescope
35 posts
#5
Galaxy
24 posts
#6
Stars
18 posts
#7
Struggling
17 posts
#8
Looking For
17 posts
#9
Milky Way
17 posts
#10
Comet
17 posts
Products Discussed in r/Astronomy
Telescope
4 reviews
#1
Takahashi
5.0★ from 2 reviews
#2
Obsession
4.0★ from 1 review
#3
SkyWatcher
5.0★ from 1 review
Binoculars
2 reviews
#1
Zeiss
4.0★ from 1 review
#2
Vortex
4.0★ from 1 review
Ipad Apps
2 reviews
#1
Celestron
4.0★ from 1 review
#2
SkySafari
5.0★ from 1 review
Flair Used in r/Astronomy
#1
Astrophotography (OC)
: "Venus Emerging From Behind the Moon Yesterday Through my Telescope."
163 posts
#2
Discussion: [Topic]
: "Mayon Volcano eruption in the Philippines, a meteorite can be seen falling behind the volcano"
9 posts
#3
Astro Art (OC)
: "I painted Gargantua's horizon"
9 posts
#4
Astro Research
: "Earth May Be Seeding Venus With Life, According to New Research"
7 posts
#5
Object ID (Consult rules before posting)
: "Seen over Columbus Ohio around 4:30 am 6/17/2026. What did I film?"
6 posts
#6
Question (Describe all previous attempts to learn / understand)
: "Anybody saw this blue star tonight ? Any idea of what it is ? First time I see this blue. Pictures are poor quality. The blue is metallic without any white when watching with my eyes."
3 posts
#7
Other: [Topic]
: "Carl Sagan Autograph"
2 posts
#8
Other: [FITS pipelines]
: "Barnard's Star haulin' ass across the sky"
1 post
Member Growth in r/Astronomy
Yearly
+105k members(3.5%)
About
GummySearch helps people research Reddit communities by organizing activity, growth, themes, and post-level signals into one place.
This page gives a focused view of r/Astronomy, including current member size, discussion patterns, product reviews, and related communities to explore.
This data is synced periodically so insights stay current and useful for ongoing research.
Last updated: June 21, 2026