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Astronomy and Space

Space, Human spaceflight, space probes and the exploration of our Solar System. No personal theories or speculation please.

1,473 topics in this forum

  1. American Association of Variable Star Observers 110th Anniversary!

    By JuliaAshley,   
    • 0 replies
    • 332 views

  2. Neutron Stars: The Most Extreme Objects In The Universe Video

    By Vmedvil2,
    • 0 replies
    • 252 views

  3. Strip Mining The Galaxy By Isaac Arthur

    By Vmedvil2,
    • 0 replies
    • 292 views

  4. What form might intelligent life take?

    By darkmatter42,
    • 11 replies
    • 601 views

  5. Space technology that can help us preserve our environment

    By bearnard55,
    • 7 replies
    • 755 views

  6. At What Altitude Can Stars Be Seen In Daylight? 1 2

    By spartan45,
    • 17 replies
    • 8.5k views

  7. Dyson Sphere

    By darkmatter42,   
    • 5 replies
    • 273 views

  8. An explanation to the supermassive black holes mystery

    By JeffreysTubes8,
    • 1 reply
    • 279 views

  9. space debris cleaning mission

    By bearnard55,
    • 4 replies
    • 299 views

  10. Planet Venus and it's orbit around the sun.

    By Ricardo,
    • 12 replies
    • 648 views

  11. Top 5 Time Travel Movies : All Science Fiction Lovers Should Watch

    By sunglasses25,
    • 3 replies
    • 286 views

  12. Two or more planets- same orbit?

    By Diamonds,
    • 3 replies
    • 285 views

  13. Cyborg Alien Race retains and utilizes technology to vaporize Earth

    By SirHope,   
    • 13 replies
    • 723 views

  14. TWO STARS FADED TO BLACK, SIMULTANEOUSLY!

    By HYPERSQUIRT,   
    • 3 replies
    • 247 views

  15. ESA and NASA are going to make a partnership in the environmental project

    By bearnard55,
    • 0 replies
    • 203 views

  16. WHAT IS THE OORT CLOUD?

    By Sefa,
    • 0 replies
    • 191 views

  17. NASA's Venus Colony Plans Video

    By Vmedvil2,
    • 12 replies
    • 551 views

  18. Betelgeuse will be visible as a Supernova in March of 2025

    By SirHope,   
    • 1 reply
    • 451 views

  19. explain this for me...

    By pmull1,
    • 2 replies
    • 285 views

  20. How To Terraform Venus Video By Kurzgesagt

    By Vmedvil2,
    • 0 replies
    • 207 views

  21. Fermi Paradox Videos By Kurzgesagt

    By Vmedvil2,
    • 0 replies
    • 169 views

  22. How To Build A Space Station

    By Vmedvil2,
    • 0 replies
    • 410 views

  23. Can humans land a probe on the surface of the Sun?

    By Chiaa,   
    • 3 replies
    • 395 views

  24. The most important issue in space exploration

    By bearnard55,
    • 6 replies
    • 583 views

  25. Can we remake plastic waste into rocket fuel?

    By bearnard55,
    • 9 replies
    • 587 views
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