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Subreddits like r/Astronomy

75 subreddits are like r/Astronomy. The closest are r/askastronomy, r/space and r/astrophotography.

75 subreddits like r/Astronomy

Closest first. A subreddit found by more than one signal ranks higher.

  1. 1r/askastronomySame topicsSame peopleCrosspostsSimilar to r/askastronomy
  2. 2r/spaceSame topicsSame peopleCrosspostsSimilar to r/space
  3. 3r/astrophotographySame topicsSame peopleCrosspostsSimilar to r/astrophotography
  4. 4r/spacepornSame topicsSame peopleCrosspostsSimilar to r/spaceporn
  5. 5r/telescopesSame topicsSame peopleCrosspostsSimilar to r/telescopes
  6. 6r/StargazingSame topicsSame peopleCrosspostsSimilar to r/Stargazing
  7. 7r/moonSame topicsSame peopleCrosspostsSimilar to r/moon
  8. 8r/amateurastronomySame topicsSame peopleCrosspostsSimilar to r/amateurastronomy
  9. 9r/AskAstrophotographySame topicsSame peopleSimilar to r/AskAstrophotography
  10. 10r/nasaSame topicsSame peopleCrosspostsSimilar to r/nasa
  11. 11r/seestarSame topicsSame peopleSimilar to r/seestar
  12. 12r/DWARFLABSame topicsSame peopleCrosspostsSimilar to r/DWARFLAB
  13. 13r/Astro_mobileSame topicsSame peopleCrosspostsSimilar to r/Astro_mobile
  14. 14r/universeSame topicsSame peopleCrosspostsSimilar to r/universe
  15. 15r/flatearthSame peopleCrosspostsSimilar to r/flatearth
  16. 16r/PhysicsSame topicsSame peopleCrosspostsSimilar to r/Physics
  17. 17r/AskPhysicsSame topicsSame peopleCrosspostsSimilar to r/AskPhysics
  18. 18r/CzechCoconutCommunityCrosspostsSimilar to r/CzechCoconutCommunity
  19. 19r/scienceSame topicsSame peopleCrosspostsSimilar to r/science
  20. 20r/picsCrosspostsSimilar to r/pics
  21. 21r/spaceengineSame topicsSame peopleSimilar to r/spaceengine
  22. 22r/EverythingScienceSame topicsSame peopleSimilar to r/EverythingScience
  23. 23r/NikonCrosspostsSimilar to r/Nikon
  24. 24r/megalophobiaSame peopleCrosspostsSimilar to r/megalophobia
  25. 25r/woahdudeSame peopleCrosspostsSimilar to r/woahdude
  26. 26r/SpaceUnfilteredSame topicsSimilar to r/SpaceUnfiltered
  27. 27r/interestingasfuckCrosspostsSimilar to r/interestingasfuck
  28. 28r/dwarflabofficialSame topicsSimilar to r/dwarflabofficial
  29. 29r/askscienceSame topicsSimilar to r/askscience
  30. 30r/nikon_ZseriesCrosspostsSimilar to r/nikon_Zseries
  31. 31r/BeAmazedCrosspostsSimilar to r/BeAmazed
  32. 32r/AmateurPhotographyCrosspostsSimilar to r/AmateurPhotography
  33. 33r/UFOsCrosspostsSimilar to r/UFOs
  34. 34r/CLOUDSSame peopleSimilar to r/CLOUDS
  35. 35r/outerwildsCrosspostsSimilar to r/outerwilds
  36. 36r/PareidoliaCrosspostsSimilar to r/Pareidolia
  37. 37r/shittyaskscienceCrosspostsSimilar to r/shittyaskscience
  38. 38r/scifiSame peopleCrosspostsSimilar to r/scifi
  39. 39r/KerbalSpaceProgramSame peopleSimilar to r/KerbalSpaceProgram
  40. 40r/geologySame peopleSimilar to r/geology
  41. 41r/AskScienceDiscussionSame peopleSimilar to r/AskScienceDiscussion
  42. 42r/SpaceXMasterraceSame peopleSimilar to r/SpaceXMasterrace
  43. 43r/sciencefictionSame peopleSimilar to r/sciencefiction
  44. 44r/aliensCrosspostsSimilar to r/aliens
  45. 45r/legoCrosspostsSimilar to r/lego
  46. 46r/MarsSocietyCrosspostsSimilar to r/MarsSociety
  47. 47r/sciencememesSame peopleSimilar to r/sciencememes
  48. 48r/NatureIsFuckingLitSame peopleSimilar to r/NatureIsFuckingLit
  49. 49r/ufoSame peopleSimilar to r/ufo
  50. 50r/UFOBSame peopleSimilar to r/UFOB
  51. 51r/aviationSame peopleSimilar to r/aviation
  52. 52r/HighStrangenessSame peopleSimilar to r/HighStrangeness
  53. 53r/memesCrosspostsSimilar to r/memes
  54. 54r/videosCrosspostsSimilar to r/videos
  55. 55r/ArtCrosspostsSimilar to r/Art
  56. 56r/mildlyinterestingCrosspostsSimilar to r/mildlyinteresting
  57. 57r/DamnthatsinterestingCrosspostsSimilar to r/Damnthatsinteresting
  58. 58r/DocumentariesCrosspostsSimilar to r/Documentaries
  59. 59r/EarthPornCrosspostsSimilar to r/EarthPorn
  60. 60r/PhilippinesCrosspostsSimilar to r/Philippines
  61. 61r/todayilearnedCrosspostsSimilar to r/todayilearned
  62. 62r/UWMadisonCrosspostsSimilar to r/UWMadison
  63. 63r/wholesomememesCrosspostsSimilar to r/wholesomememes
  64. 64r/worldnewsCrosspostsSimilar to r/worldnews
  65. 65r/animeCrosspostsSimilar to r/anime
  66. 66r/AskRedditCrosspostsSimilar to r/AskReddit
  67. 67r/bulgariaCrosspostsSimilar to r/bulgaria
  68. 68r/canonCrosspostsSimilar to r/canon
  69. 69r/coinsCrosspostsSimilar to r/coins
  70. 70r/conspiracyCrosspostsSimilar to r/conspiracy
  71. 71r/IllustrationCrosspostsSimilar to r/Illustration
  72. 72r/mathCrosspostsSimilar to r/math
  73. 73r/offbeatCrosspostsSimilar to r/offbeat
  74. 74r/politicsCrosspostsSimilar to r/politics
  75. 75r/wikipediaCrosspostsSimilar to r/wikipedia

How it works

How similar subreddits are found

  • Same topics: subreddits whose posts cover the same topics as r/Astronomy.
  • Same people: subreddits where the same authors post and comment.
  • Crossposts: subreddits that r/Astronomy crossposts to or from.

NSFW subreddits and subreddits without enough data are left out. Stats for r/Astronomy · Best time to post on r/Astronomy · Find subreddits like another subreddit