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Stupid question: if gravity is not a force but rather the fabric of space being stretched by an object (like a ball on an elastic tarp) would a hollow planet sized object have the same gravity as a solid object of the same size? If not why?

Submitted by [deleted] t3_1148vag on February 17, 2023 at 2:57 AM

No comments

What are some of the most eluding cosmic mysteries ?

Submitted by Rolan_bodd369 t3_111mlvu on February 13, 2023 at 10:51 PM

No comments

The “Face on Mars” captured by NASA’s Viking 1 orbiter in 1976 (left) and Mars Global Surveyor in 2001 (right)

Submitted by mustachegiraffe t3_110idmo on February 12, 2023 at 3:32 PM

No comments

Astronaut Sen. Kelly praises "stunning" space business growth, calls for more rocket competition: “The commercial space sector is critical."

cnbc.com

Submitted by thesheetztweetz t3_10yyl4o on February 10, 2023 at 6:08 PM

No comments

‘The real goal is to not blow up the launch pad, that is success.’ — An unprecedented test-firing today, of all 33 Raptor rocket engines on Booster 7, with the rocket held firmly to the ground

arstechnica.com

Submitted by marketrent t3_10xxauv on February 9, 2023 at 3:18 PM

No comments

Is this a natural phenomenon?

Submitted by Timaaa34 t3_10umspb on February 5, 2023 at 8:38 PM

No comments

Astronomers discover potential habitable exoplanet only 31 light-years from Earth

space.com

Submitted by IslandChillin t3_10sx44u on February 3, 2023 at 10:19 PM

No comments

Jupiter Quietly Takes Crown for Most Moons, With New Tally of 92

cnet.com

Submitted by GL4389 t3_10sk6bo on February 3, 2023 at 1:21 PM

No comments

What are the chances of me existing in another universe?

Submitted by letsplay123456789 t3_10y0geg on February 9, 2023 at 5:26 PM

48 comments

can we collect gases like hydrogen and oxygen form the outer space

Submitted by ruxt0 t3_10xq1dv on February 9, 2023 at 8:56 AM

12 comments

Worm-holes

Submitted by Consistent-Worth-711 t3_10xfas6 on February 9, 2023 at 12:00 AM

15 comments

Space theory, big bang debunked, formula for dark matter

Submitted by Ready-Patience-6155 t3_11blvj3 on February 25, 2023 at 2:09 PM

44 comments

Rejected showerthought: The next Moon landing should have a woman astronaut be the first to plant her feet on the lunar surface so that she can make a giant leap for womankind too.

Submitted by IDislikeHomonyms t3_110w7xp on February 13, 2023 at 1:44 AM

8 comments

Is it possible that an earth-like planet is floating independently in our universe somewhere with no sun and whose atmosphere harbors conditions to produce it's own sun-like light and energy?

Submitted by CevicheCabbage t3_110lx60 on February 12, 2023 at 6:01 PM

18 comments

If in the future multiverses came out to be true is it possible Humans can travel to other multiverses or it can't be possible as it would Break laws of physics?

Submitted by 000genshin000 t3_111a2m1 on February 13, 2023 at 2:34 PM

8 comments

Hypothesis on dark matter and dark energy using a water as a reference.

Submitted by Syd-1-772453 t3_11dfe1m on February 27, 2023 at 4:03 PM

21 comments

space is crazy

Submitted by AggravatingBase1896 t3_117rkn6 on February 21, 2023 at 2:09 AM

18 comments

so why don't earth slow down do to the drag of the water created in the tidel forces by the moon?

Submitted by SnurrDass t3_116h8v0 on February 19, 2023 at 4:36 PM

11 comments

Hello everyone at this sub. Where can I post about this following topic?

Submitted by thewtfcat t3_1197y2u on February 22, 2023 at 6:58 PM

13 comments

Is Astralprojection related to this sub

Submitted by Ok-Cut849 t3_10w00b4 on February 7, 2023 at 11:55 AM

26 comments

I saw something in the sky last night. help with ID?

Submitted by Andyman0110 t3_111lpad on February 13, 2023 at 10:14 PM

22 comments

help in creating a space and board game

Submitted by Dexters_Network t3_11dm0nm on February 27, 2023 at 8:32 PM

9 comments

How big was the point of dense energy before the Big Bang?

Submitted by ClassicSpurzy t3_11ddl7v on February 27, 2023 at 2:47 PM

25 comments

Once manufacturing moves almost entirely into space and the workers want drugs, gambling and prostitution and wanted criminals on Earth can escape to space, the solar system away from gravity wells will become largely lawless. Who will do the policing and how?

Submitted by [deleted] t3_112s0bz on February 15, 2023 at 7:07 AM

36 comments

Help! My friend is convinced that the Earth is hollow and we are living inside of it!

Submitted by YeetFleekMasterOfRap t3_11adph8 on February 24, 2023 at 12:35 AM

109 comments