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What is a theory about space that still baffles you?

Submitted by tanshersgamingps4 t3_10rc5q9 on February 2, 2023 at 1:04 AM

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Why don’t we know more about Alpha Centauri.

Submitted by ThatGuyFromSancreTor t3_10qh834 on February 1, 2023 at 1:50 AM

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Am I the only one who thinks a Mars Sample Return mission would be extremely stupid?

Submitted by iw2050 t3_10q8x7g on January 31, 2023 at 8:04 PM

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YouTube channels about space?

Submitted by The_Lazy_Lobster t3_10q87ak on January 31, 2023 at 7:35 PM

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Could we use antimatter-based propulsion to visit alien worlds?

space.com

Submitted by mzpip t3_10q3axx on January 31, 2023 at 4:24 PM

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The universe is slightly hotter than it should be. 'Dark photons' could be to blame.

space.com

Submitted by Tao_Dragon t3_10pxi7o on January 31, 2023 at 12:14 PM

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Fermi Paradox

Submitted by [deleted] t3_10pojsq on January 31, 2023 at 4:31 AM

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Future Space Telescopes Could be 100 Meters Across, Constructed in Space, and Then Bent Into a Precise Shape

universetoday.com

Submitted by cciccitrixx t3_10pnr33 on January 31, 2023 at 4:00 AM

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Looking for a space-themed name for our new Great Dane puppy

Submitted by Shagalags t3_10p6gww on January 30, 2023 at 4:04 PM

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A picture i took of mars on my phone

Submitted by mursu23 t3_10oj1cy on January 29, 2023 at 9:22 PM

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All Space Questions thread for week of January 29, 2023

Submitted by AutoModerator t3_10oceiv on January 29, 2023 at 5:00 PM

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The Universe of Arizona found bears on Mars. Link in comments for those interested

Submitted by Sebatius t3_10obsq7 on January 29, 2023 at 4:34 PM

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Strange ring around the moon tonight

Submitted by [deleted] t3_10numfw on January 29, 2023 at 12:50 AM

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I spent the last month photographing the “green comet” C/2022 E3 (ZTF) to show its ever-changing structure (OC)

Submitted by MrJackDog t3_10ntm1i on January 29, 2023 at 12:03 AM

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If a Voyager 3 were to be launched with an updated version of the golden record, what would you put on the record?

Submitted by SkyscraperEnthusiast t3_10mxcn3 on January 27, 2023 at 9:58 PM

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Which planet would kill you first, if you appeared as you are now on the 'surface'?

Submitted by Fando1234 t3_10msqro on January 27, 2023 at 6:54 PM

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James Webb Space Telescope discovers water ice at ringed asteroid Chariklo 'by remarkable luck'

space.com

Submitted by Starks t3_10mp1p3 on January 27, 2023 at 4:28 PM

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Russian, American explain how they stay united in space

sg.news.yahoo.com

Submitted by Pure_Candidate_3831 t3_10m06zb on January 26, 2023 at 7:29 PM

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Do you believe wormholes exist?

Submitted by orvpj t3_10m06hm on January 26, 2023 at 7:28 PM

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How would you ensure that if we were to occupy mars, the situation there doesn't turn out to be like earth?

Submitted by Creepy_Toe2680 t3_10lwj9u on January 26, 2023 at 4:56 PM

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Asteroid about to zoom oh-so-close to Earth, NASA says

cbsnews.com

Submitted by scot816 t3_10lwdeq on January 26, 2023 at 4:50 PM

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What would you ask an Astronaut on the ISS?

Submitted by ToastedBreadddd t3_10lvet7 on January 26, 2023 at 4:10 PM

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NASA Validates Revolutionary Propulsion Design for Deep Space Missions

nasa.gov

Submitted by Loferix t3_10lc08u on January 25, 2023 at 10:39 PM

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SpaceX completes fueling test and will now work toward the engine firing test — More than 10 million pounds of propellant was loaded onboard the vehicle, which, when fully stacked, stands 120 meters tall (24 Jan. 2023)

arstechnica.com

Submitted by marketrent t3_10kvkf6 on January 25, 2023 at 10:23 AM

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Is there any book recommendations for Sci-fi books that have realistic aspects?

Submitted by trebor_mint t3_10kja6a on January 24, 2023 at 11:09 PM

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