/r/space/

r/space

28.0M members
r/space is a subreddit with 28.0M members. The community frequently discusses space, worst, looking for, looking, and nasa, and they frequently recommend/review documentaries and telescope, and the most common flair used is discussion, image/gif, and no reposts.
Share & discuss informative content on: * Astrophysics * Cosmology * Space Exploration * Planetary Science * Astrobiology

Popular Topics in r/space

#1

Space

58 posts
#2

Worst

17 posts
#3

Looking For

14 posts
#4

Looking

14 posts
#5

Nasa

10 posts
#6

Struggling

10 posts
#7

Mars

8 posts
#8

Documentary

7 posts
#9

Telescope

6 posts
#10

Universe

6 posts

Products Discussed in r/space

Documentaries

28 reviews
#1
Cosmos
4.6★ from 5 reviews
#2
YouTube
5.0★ from 2 reviews
#3
BBC
5.0★ from 2 reviews

Telescope

4 reviews
#1
EduSnap 2-in-1 Smart Telescope
4.0★ from 1 review
#2
Seestar S50
5.0★ from 1 review
#3
Ursa Major
4.0★ from 1 review

Flair Used in r/space

#1
Discussion
: "NASA's Swift telescope is about to fall out of orbit, and the Sun is the reason. It lost 0.7 km of altitude in all of 2019. This year it lost 185 km."
10 posts
#2
image/gif
: "OFFICIAL: NASA's Swift Observatory has today crash landed back on Earth, concluding a historic 22-year mission that provided significant discoveries about gamma-ray bursts, exploding stars and black-holes"
7 posts
#3
no reposts
: "Crew from NASA's simulated Mars mission emerges after 378 days in isolation"
1 post

Member Growth in r/space

Yearly
+231k members(0.8%)

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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/space, 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: November 5, 2026