r/Astronomy is a subreddit with 3.1M members. The most common kinds of discussions are solution requests and advice requests, and the community frequently discusses astronomy, telescope, looking for, stars, and struggling, and they frequently recommend/review telescope, binoculars, and ipad apps.
The amateur hobby of humanity since the dawn of time and scientific study of celestial objects.
Popular Themes in r/Astronomy
#1
Solution Requests
: "I think I found an uncatalogued star that's been disappearing since 2018, a mature deep-dipper, Need help confirming (or killing) it."
2 posts
#2
Advice Requests
: "What can I do to take astronomy as a hobby a step further"
2 posts
#3
Ideas
: "AURORA-X — conceptual reusable methalox orbital launch vehicle. Preliminary mass model, equations and engineering feedback wanted"
1 post
#4
Money Talk
: "Will the economy be ok?"
1 post
Popular Topics in r/Astronomy
#1
Astronomy
43 posts
#2
Telescope
20 posts
#3
Looking For
17 posts
#4
Stars
13 posts
#5
Struggling
12 posts
#6
Planets
10 posts
#7
Beginner
6 posts
#8
App
6 posts
#9
Tired
5 posts
#10
Database
5 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)
: "I photographed the Milky Way arch in Brazil"
129 posts
#2
Other: [Topic]
: "Today I learned that the Sun is roughly 400 times larger than the Moon, but also 400 times farther away. Because of this ratio, both objects appear almost exactly the same size in Earth's sky, making total solar eclipses possible."
19 posts
#3
Astro Research
: "I think I found an uncatalogued star that's been disappearing since 2018, a mature deep-dipper, Need help confirming (or killing) it."
15 posts
#4
Astro Art (OC)
: "Digital Painting of Jupiter as seen by the Cassini spacecraft in November 2000."
11 posts
#5
Question (Describe all previous attempts to learn / understand)
: "Did i capture Andromeda galaxy?"
7 posts
#6
Discussion: [Topic]
: "If the moon did not form, but instead was absorbed into earth to create a larger planet, what would the effects be?"
6 posts
#7
Other: Article
: "Sorry, Pluto’s still not a planet"
2 posts
#8
Discussion: [Topic] Retrograde Loops
: "Retrograde Loops"
1 post
#9
Other: Celestial event
: "Heads up: there's a bright nova visible in the constellation of Sagitta"
1 post
#10
Other: [Topic] Career Choice
: "Astronomers - How did you first become interested in Astronomy"
1 post
Member Growth in r/Astronomy
Yearly
+121k members(4.0%)
About
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Last updated: August 28, 2026