r/askastronomy
186k members
r/askastronomy is a subreddit with 186k members. The community frequently discusses astronomy, sky, stars, moon, and space, and they frequently recommend/review telescope and cameras, and the most common flair used is astronomy , what did i see?, astrophysics, planetary science, and sci-fi.
For your astronomy-related questions and content!
Popular Topics in r/askastronomy
#1
Astronomy
53 posts
#2
Sky
41 posts
#3
Stars
31 posts
#4
Moon
29 posts
#5
Space
25 posts
#6
Telescope
24 posts
#7
Star
23 posts
#8
Planets
17 posts
#9
Object
17 posts
#10
What
17 posts
Products Discussed in r/askastronomy
Flair Used in r/askastronomy
#1
Astronomy
: "If you could observe any object in the universe tonight, what would it be?"
11 posts
#2
What did I see?
: "What is this cluster of stars?"
9 posts
#3
Astrophysics
: "Data organization question for research astronomers"
9 posts
#4
Planetary Science
: "What Would it be Like to Travel Inside a Storm, Like Jupiter's?"
3 posts
#5
Sci-Fi
: "I am developing 6dof space combat, flight and exploration sim, and need help from real astronomer."
2 posts
#6
Black Holes
: "How come a black hole doesn't seem to rip another one apart?"
1 post
Member Growth in r/askastronomy
Yearly
+52k members(39.3%)
Similar Subreddits to r/askastronomy
r/AlternativeAstronomy
2k members
4.0% / yr
r/Astronomy
3.2M members
4.1% / yr
r/Astronomy_Help
3k members
16.5% / yr
r/AstronomyMemes
43k members
51.4% / yr
r/nasa
5.9M members
1.5% / yr
r/Saturn
7k members
22.6% / yr
r/space
28.0M members
0.8% / yr
r/SpaceUnfiltered
56k members
190.8% / yr
r/Stargazing
156k members
31.9% / yr
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/askastronomy, 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: October 25, 2026