Subreddit: Astronomy

Created on 28/03/2008. 2913505 subscribers.

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Read the rules sub before posting!

created by VoijaRisa on 27/03/2020 at 19:46 UTC* - 763 upvotes (https, www.reddit.com)

0 comments

Composite star trail from the ISS. More details in comments.

created by astro_pettit on 02/06/2024 at 14:53 UTC - 19 upvotes (https, i.redd.it)

1 comments

Captured a 4 hour time lapse of the X1.43 Solar flare from AR3697 this afternoon

created by rockylemon on 02/06/2024 at 05:25 UTC - 85 upvotes (https, v.redd.it)

1 comments

I don't know about you, but now that I know Uranus used to be called the "Planet Herschel," I very much prefer its original name!

created by OrnamentalPublishing on 02/06/2024 at 13:22 UTC - 18 upvotes (https, i.redd.it)

8 comments

Telescopes I came across

created by WhisenPeppler on 02/06/2024 at 00:40 UTC - 149 upvotes (https, www.reddit.com)

8 comments

The Burrell Memorial Observatory

created by twacsmith on 02/06/2024 at 14:21 UTC - 8 upvotes (https, www.reddit.com)

1 comments

Sunset from Earth orbit

created by astro_pettit on 02/06/2024 at 00:36 UTC - 105 upvotes (https, i.redd.it)

4 comments

Telescope used to find Apollo 11 landing site

created by ThatSpaceNerdYT on 02/06/2024 at 02:51 UTC - 26 upvotes (https, www.reddit.com)

4 comments

Is a black hole sphere shaped?

created by Oh-No-RootCanal on 01/06/2024 at 19:42 UTC - 97 upvotes (https, www.reddit.com)

74 comments

Meteor Shower During the Day: Arietids

created by TheMuseumOfScience on 02/06/2024 at 14:20 UTC - 2 upvotes (https, v.redd.it)

0 comments

Big Moon

created by schenkmireinEi on 01/06/2024 at 20:05 UTC - 57 upvotes (https, i.redd.it)

1 comments

Has anyone else seen a wobbly satellite?

created by fireburner80 on 02/06/2024 at 16:27 UTC - 1 upvotes (https, www.reddit.com)

0 comments

How fast would a black hole kill you

created by Fine_Platypus_4688 on 02/06/2024 at 16:18 UTC - 0 upvotes (https, www.reddit.com)

8 comments

What's one thing about space that you can't seem to wrap your head around/understand

created by Equivalent_Arm_6315 on 01/06/2024 at 06:16 UTC - 220 upvotes (https, www.reddit.com)

362 comments

Strange

created by Select_Transition877 on 02/06/2024 at 04:41 UTC - 3 upvotes (https, www.reddit.com)

3 comments

What is this thing flying east over Southern California at 9pm last night?

created by itsfuckingpizzatime on 01/06/2024 at 14:18 UTC - 37 upvotes (https, i.redd.it)

28 comments

Telescope at a museum observatory.

created by Crafty_Patient5922 on 01/06/2024 at 01:21 UTC - 219 upvotes (https, www.reddit.com)

12 comments

What is the lowest latitude aurora that was experienced this incident?

created by Telescopegazer on 01/06/2024 at 10:44 UTC - 11 upvotes (https, www.reddit.com)

17 comments

What are your favorite southern constellations?

created by dungisdangit on 01/06/2024 at 11:40 UTC - 10 upvotes (https, www.reddit.com)

15 comments

With new, sharper optics, Arizona telescope captures rare images of Jupiter's moon Io

created by Galileos_grandson on 31/05/2024 at 21:14 UTC - 138 upvotes (https, news.berkeley.edu)

14 comments

Is the moon phase constant for the same day of different lunar months?

created by Apprehensive-Web5650 on 31/05/2024 at 10:38 UTC - 114 upvotes (https, i.redd.it)

25 comments

The M104 Sombrero Galaxy

created by Comprehensive_Door_1 on 31/05/2024 at 00:53 UTC - 261 upvotes (https, i.redd.it)

12 comments

Mare Serenitatis & Mare Tranquillitatis high res closeup [OC]

created by iLeleplus on 30/05/2024 at 20:12 UTC - 225 upvotes (https, i.redd.it)

13 comments

Astronomy Research Opportunity

created by vedaeluri on 31/05/2024 at 13:08 UTC - 5 upvotes (https, www.reddit.com)

5 comments

The Dumbell Nebula (M27) taken with a 7 inch Refractor

created by thesolarwind on 30/05/2024 at 21:06 UTC - 106 upvotes (https, i.redd.it)

2 comments