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Basic Error: The accelerating Universe conclusion - reason

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Replies: 151

Views: 42K

Cosmology Tuesday at 5:25 AM

Gibsense

Flatlander 3D: Hypersphere to Flat Space

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Replies: 121

Views: 39K

Cosmology Sep 22, 2024

Atlan0001

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From a drop of water....

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Replies: 836

Views: 122K

Cosmology Tuesday at 7:11 PM

Atlan0001

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The great silence: Just 4 in 10,000 galaxies may host intelligent aliens

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Replies: 113

Views: 16K

Article Commentary Sep 22, 2024

promytius

Biggest solar flare since 2017 erupts from sun and Earth is in the firing line (video)

Replies: 5

Views: 95

Article Commentary Yesterday at 11:53 PM

billslugg

Locked

Question Why We Haven’t Met Any Aliens Yet?

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Replies: 134

Views: 28K

Cosmology Sep 7, 2024

COLGeek

Quantum Mechanics: Entanglement

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Replies: 30

Views: 384

Cosmology Today at 1:35 AM

Gibsense

Locked

FAA requires investigation of anomaly on SpaceX's Crew-9 astronaut launch

Replies: 12

Views: 254

Article Commentary Yesterday at 1:41 PM

COLGeek

Goodbye infinity and all that infinite singularity and infinite density descriptions

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Replies: 77

Views: 16K

Cosmology Sep 8, 2024

Harry Costas

Is there a 'true' story behind the fake Apollo moon landing in 'Fly Me to the Moon?

Replies: 6

Views: 8K

Article Commentary Sep 20, 2024

billslugg

25 years of exoplanet hunting hasn't revealed Earth 2.0 — but is that what we're looking for?

Replies: 6

Views: 8K

Article Commentary Wednesday at 11:06 AM

Helio

Locked

SpaceX will start launching Starships to Mars in 2026, Elon Musk says

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Replies: 58

Views: 2K

Article Commentary Sep 21, 2024

COLGeek

More on the Big Bang - what was before t = 0?

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Replies: 95

Views: 13K

Cosmology Sep 6, 2024

Atlan0001

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Locked

Belief in alien visits to Earth is spiraling out of control – here's why that's so dangerous

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Replies: 47

Views: 2K

Article Commentary Sep 7, 2024

COLGeek

Question BIG BANG EVIDENCE

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Replies: 233

Views: 72K

Astronomy Saturday at 2:04 AM

Harry Costas

SpaceX to pause launches after Falcon 9 issue on Crew-9 astronaut mission

Replies: 6

Views: 399

Article Commentary Yesterday at 6:28 PM

ultimatewizz

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Hubble Tension

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Replies: 26

Views: 8K

Cosmology Sep 5, 2024

Gibsense

Introduce yourself! (And show us your swag)

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Replies: 313

Views: 134K

Forum Feedback & Competitions Sunday at 7:01 AM

Saiedu Kamara

A comet predicted to light up the sky in 2024 may already be doomed

Replies: 3

Views: 6K

Article Commentary Sep 26, 2024

COLGeek

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How To I think the problem of getting the astronauts home is simple.

Replies: 5

Views: 5K

Space Travel & SpaceX Sep 25, 2024

COLGeek

Question Condensates

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Replies: 177

Views: 84K

Cosmology Sep 27, 2024

Harry Costas

The first sport in space?

Replies: 7

Views: 6K

Space & Sci-fi Media Sep 19, 2024

ImmortalMelvz

Astronomers prepare for once-in-a-lifetime event: A 'new star' in the night sky

Replies: 5

Views: 294

Article Commentary Monday at 1:14 PM

Helio

Question CYCLIC UNIVERSE

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Replies: 179

Views: 44K

Cosmology Sep 24, 2024

Harry Costas

Massive radio survey reveals our universe's structure at the largest scales

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Replies: 35

Views: 614

Article Commentary Monday at 11:50 AM

Classical Motion

Question Earth Moon Origin

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Replies: 149

Views: 22K

Our Solar System Yesterday at 9:17 AM

Adel

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Question Mars' daylight

Replies: 18

Views: 1K

Our Solar System Sunday at 6:23 AM

Space Seeker

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Sub-Earth' exoplanet discovered around the closest solo star to us

Replies: 6

Views: 140

Article Commentary Wednesday at 12:07 AM

Helio

Locked

Hubble Space Telescope suggests our ancient universe was surprisingly crowded with supermassive black holes

Replies: 16

Views: 328

Article Commentary Sunday at 10:51 PM

Atlan0001

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Did a NASA telescope detect cosmic 'hot dogs' or Dyson spheres?

Replies: 3

Views: 89

Article Commentary Yesterday at 7:13 AM

fj.torres

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SpaceX's Elon Musk calls on FAA chief to resign

Replies: 3

Views: 422

Article Commentary Sep 26, 2024

DrRaviSharma

Earth will capture 'second moon' this weekend

Replies: 4

Views: 389

Article Commentary Monday at 11:10 AM

FaseehSheikh

Could we turn the sun into a gigantic telescope?

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Replies: 30

Views: 869

Article Commentary Sep 23, 2024

Unclear Engineer

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The Case for the Schwarzschild Radius Always Actually Being Zero

Replies: 19

Views: 1K

Cosmology Sep 27, 2024

Questioner

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Question Infinity or not infinity that is the question.

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Replies: 112

Views: 19K

Cosmology Sep 24, 2024

Harry Costas

I think it was hard not to watch that rocket lift off without thinking, That's my rocket and that's my crew.' How the NASA astronauts bumped from S...

Replies: 1

Views: 83

Article Commentary Yesterday at 11:13 AM

wonderingwhy

How to watch ULA's 2nd-ever Vulcan Centaur rocket launch on Oct. 4

Replies: 0

Views: 26

Article Commentary Yesterday at 3:06 PM

Admin

Question What happens when we pass through Interstellar Clouds?

Replies: 8

Views: 293

Our Solar System Monday at 3:51 AM

Harry Costas

How mass extinctions can help scientists find complex alien life

Replies: 0

Views: 41

Article Commentary Yesterday at 6:05 AM

Admin

Curiosity Mars rover's wheels are more battered than ever — but they still work

Replies: 0

Views: 27

Article Commentary Yesterday at 2:05 PM

Admin

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