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space

subscribeunsubscribe13,001,201 readers

3,106 users here now

ABOUT r/space

Share & discuss informative content on:

  • Astrophysics
  • Cosmology
  • Space Exploration
  • Planetary Science
  • Astrobiology

UPCOMING LAUNCHES

Timezone is UTC

Date Event
21 Sep Time & Date TBD: Rockot • Sentinel 5p
22 Sep, 2:38am Atlas V • NROL-42
22 Sep, 4:52am OSIRIS-REx flyby of Earth
  • View Full Calendar
  • To suggest events, message the moderators

SUBMITTING LINKS

Please prefer original sources for content wherever possible

Encouraged

  • Informative high-quality articles, news & videos
  • Peer-reviewed research papers that are publicly available
  • Academic texts that are publicly available

Discouraged

  • Sensationalized/misleading titles or Unscientific content
  • Blogspam, links behind a paywall, or pirated content
  • Social media links (Facebook, Twitter, Instagram, etc.)

    Exception: Twitter links are allowed only for breaking news by official sources. Examples:
    1. Pluto flyby announcements by NASA
    2. SpaceX launch coverage by SpaceX

  • Duplicate/re-hosted content (use Reddit Search)

  • Petitions/surveys/crowd-funding

  • Shortened links/mobile links

SUBMITTING IMAGES & GIFs

Only on Sundays as per UTC

Encouraged

  • Directly linked quality images/GIFs with an appropriate title
  • Short length videos (<2m) qualify as GIFs
  • Recommended subreddits: r/spaceporn, r/astrophotography & r/astronomy for images and r/spacegifs for GIFs.

Discouraged

  • Memes/low quality images
  • Reaction GIFs
  • Re-hosted content (use KarmaDecay)

SUBMITTING A TEXT POST

Straightforward questions (who/what/where) belong to the Weekly Space Questions thread (pinned at the top)

Encouraged

  • Informative & thought-provoking posts
  • Open-ended questions that promote discussion
  • Highly recommended subreddit: r/askscience

Discouraged

  • ELI5/PSA styled posts
  • Posts that only state your opinion and don't engage the community

COMMENTS

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Encouraged

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General Reddiquette applies

Please report comments & links that don't follow the rules

Moderation will be strictly enforced on those not following the rules

MESSAGE THE MODERATORS

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a community for 9 years
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MODERATORS

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  • relic2279
  • kjoneslol
  • panickedthumb
  • Chezzik
  • ggitaliano
  • Walter_Bishop_PhD
  • Captainpatch
  • greatyellowshark
  • Zucal
  • ...and 17 more »

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Week of September 17, 2017 'All Space Questions' thread (self.space)

submitted 2 days ago by AutoModerator - announcement

  • 56 comments
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Voyager: At 10 billion miles from Earth, there is no day and night, and the Sun is a tiny point of starlight (nasa.gov)

submitted 13 hours ago by treadmarks

  • 417 comments
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The first test flight of the space shuttle Enterprise in 1977. (youtu.be)

submitted 15 hours ago by Joeeamer

  • 427 comments
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'It Went Perfectly': Cassini Saturn Probe Was a Pro to the Very End (space.com)

submitted 23 hours ago by august43210

  • 137 comments
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DiscussionWe have just hit 13,000,000 subscribers! (self.space)

submitted 6 hours ago by nickrulercreator

  • 12 comments
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Why Does Time Exist at All? | Sean Carroll - TED Talk "entertaining and thought-provoking tour through the nature of time and the universe" (youtube.com)

submitted 1 day ago by DemetriMartin

  • 1180 comments
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Finnish Scientists Push for 50 Nano-Spacecrafts to Explore 300 Asteroids (popularmechanics.com)

submitted 6 hours ago by Ohsin

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Earth's Gravity to Slingshot Asteroid-Bound Spacecraft to Target Friday (news.azpm.org)

submitted 15 hours ago by malcolm1958

  • 2 comments
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Astro Pi upgrades on the International Space Station (raspberrypi.org)

submitted 2 hours ago by unquietwiki

  • 1 comment
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The Famous Chinese Astronomer RIA Novosti Zhanna Manukyan Died (enews.space)

submitted 14 hours ago by oardore

  • 3 comments
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Kepler Discovers Pulsations in the Pleiades... The stars of the Pleiades are easy targets for backyard observers. They’re frequent targets for professional ground-based telescopes. So it’s ironic that they’re some of the most difficult targets for space-based telescopes. That's about to change... (skyandtelescope.com)

submitted 9 hours ago by Reporter_at_large

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Size Comparison of the Universe 2017 (youtube.com)

submitted 8 hours ago by antdude

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Astronaut Chris Hadfield's wonderful explanation about the retirement of the shuttle program in response to a question about why it was 'scrapped' (Start at 46:29 though the whole talk is great) (youtube.com)

submitted 6 hours ago by jet-setting

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DiscussionHow do we picture milky way, estimate where we are in it and the size of it etc? (self.space)

submitted 4 hours ago by termonikov

  • 2 comments
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NASA | Exploration Mission-1 – Pushing Farther Into Deep Space (youtube.com)

submitted 16 hours ago by thedankzone

  • 3 comments
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DiscussionWhat sort of information are we recieving from Voyagers? (self.space)

submitted 5 hours ago by termonikov

  • 3 comments
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New research suggests Mercury's poles are icier than scientists thought (phys.org)

submitted 10 hours ago by magenta_placenta

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Northern Lights Over Canada (nasa.gov)

submitted 8 hours ago by Citia

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Sean Carroll Speculated on Time and the Future of the Universe... Here is a Mesmerizing Look at the History of Our Universe with David Christian (youtube.com)

submitted 9 hours ago by ShogunIeyasu

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DiscussionHydrogen, Helium and Gravity (self.space)

submitted 4 hours ago by papancakes

  • 7 comments
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The Dumbest Mistakes In Space Exploration (youtube.com)

submitted 1 day ago by ilogik

  • 48 comments
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Berlin artist to launch the first satellite sculpture via SpaceX. (fastcodesign.com)

submitted 1 hour ago by EmotionSix

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Sedimentary layers provide insight into Mars’ past (universetoday.com)

submitted 15 hours ago by Portis403

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DiscussionAny gravity experiments planned on the upcoming OSIRIS-REx Earth flyby? (self.space)

submitted 2 hours ago by kanzenryu

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Pitch-black planet was discovered using NASA’s Hubble telescope (cbc.ca)

submitted 14 hours ago by Portis403

  • 3 comments
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DiscussionSouth Australia ready to host IAC... Who else is excited?? (self.space)

submitted 21 hours ago by TheLeadSA

  • 4 comments
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