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Is the universe infinite, or does it have a limit?

By a425couple on Tue Oct 14 07:31:36 2025

Latest reply by a425couple on Tue Oct 14 07:31:36 2025
obit, George Smoot, a Nobel Prize-winning physicist

By a425couple on Sun Oct 12 07:36:08 2025

Latest reply by a425couple on Sun Oct 12 07:36:08 2025
Interstellar Object 3I/Atlas Measured To Be Over 33 Billion Tons

By a425couple on Thu Sep 25 08:58:58 2025

Latest reply by a425couple on Thu Sep 25 08:58:58 2025
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By a425couple on Sun Sep 21 12:03:58 2025

Latest reply by a425couple on Sun Sep 21 12:03:58 2025
We've officially found 6,000 exoplanets, NASA says

By a425couple on Thu Sep 18 10:59:26 2025

Latest reply by a425couple on Thu Sep 18 10:59:26 2025
NASA discovery-is-closest-we-have-ever-come-to-finding-life-on-mars/

By a425couple on Thu Sep 18 08:36:03 2025

Latest reply by a425couple on Thu Sep 18 08:36:03 2025
a Quora about forming the moon

By a425couple on Sat Sep 6 07:15:54 2025

Latest reply by a425couple on Sat Sep 6 07:15:54 2025
Universe :

By casagiannoni on Thu Aug 28 15:12:46 2025

Latest reply by Kualinar on Mon Sep 1 12:46:34 2025
Nobody Wants to Be Our Friends ! Science, We Live in "Cosmic Void"

By c186282 on Fri Aug 29 11:16:16 2025

Latest reply by c186282 on Fri Aug 29 11:16:16 2025
Harassment at Antarctic research bases could spell problems for moon, Mars outposts

By a425couple on Wed Aug 27 09:44:17 2025

Latest reply by a425couple on Wed Aug 27 09:44:17 2025
TRAPPIST-1d isn't the Earth-like planet scientists had hoped

By a425couple on Fri Aug 15 10:16:22 2025

Latest reply by a425couple on Fri Aug 15 10:16:22 2025
Venus and Jupiter, the brightest planets in our solar system, align

By a425couple on Tue Aug 12 09:04:18 2025

Latest reply by a425couple on Tue Aug 12 09:04:18 2025
new exoplanet just 4 light-years away from Earth

By a425couple on Fri Aug 8 08:41:58 2025

Latest reply by a425couple on Fri Aug 8 08:41:58 2025
Astronomers capture the birth of planets around a baby sun outside our solar system

By a425couple on Thu Jul 17 06:51:31 2025

Latest reply by casagiannoni on Thu Aug 7 19:11:31 2025
bright planets in August's night sky: How to see them

By a425couple on Mon Aug 4 08:22:48 2025

Latest reply by a425couple on Mon Aug 4 08:22:48 2025
Star travel ? - Never !

By casagiannoni on Mon Jul 7 17:49:07 2025

Latest reply by Phigan on Wed Jul 23 14:05:06 2025
more opinions on 3I/Atlas by Loeb

By a425couple on Wed Jul 16 15:48:21 2025

Latest reply by Jim Wilkins on Thu Jul 17 06:30:28 2025