/r/Astronomy/

r/Astronomy

3.1M members
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), astro research, astro art (oc), object id (consult rules before posting), and discussion: [topic].
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)
: "I Photographed the ISS Passing by Planet Venus Yesterday in Broad Daylight."
150 posts
#2
Astro Research
: "Space Invaders"
17 posts
#3
Astro Art (OC)
: "I recreated Adrian, the gas giant from Project Hail Mary, 100% procedurally in Blender (NoAi)"
13 posts
#4
Object ID (Consult rules before posting)
: "What is this dark line in the sky?"
7 posts
#5
Discussion: [Topic]
: "Archaeologists deciphered the name of an ancient Maya astronomer-mathematician for the first time. His name was Sak Tahn Waax “White-chested Fox” and calculations attributed to him tracked the movements of Venus and Mars."
4 posts
#6
Other: [Topic]
: "A Moon Dressed Like Saturn 🪐"
3 posts
#7
Question (Describe all previous attempts to learn / understand)
: "Anyone know why there's this weird green glow on my milky way images? (Exaggerated a lil)"
3 posts
#8
Other: Infographic
: "Planet-Moon distances to scale - Hi-res image"
1 post
#9
Discussion: super light planets
: "Astronomers find biggest super-puff planets yet that are lighter than cotton candy"
1 post
#10
Other: [Topic] Proper Motion
: "4 Years of Proper Motion - Argelander’s Star"
1 post

Member Growth in r/Astronomy

Yearly
+111k members(3.7%)

About

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Last updated: July 24, 2026