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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.

1,470 topics in this forum

  1. What form might intelligent life take?

    By darkmatter42,
    • 11 replies
    • 526 views

  2. Space technology that can help us preserve our environment

    By bearnard55,
    • 7 replies
    • 680 views

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

    By spartan45,
    • 17 replies
    • 8k views

  4. Dyson Sphere

    By darkmatter42,   
    • 5 replies
    • 226 views

  5. An explanation to the supermassive black holes mystery

    By JeffreysTubes8,
    • 1 reply
    • 230 views

  6. space debris cleaning mission

    By bearnard55,
    • 4 replies
    • 255 views

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

    By Ricardo,
    • 12 replies
    • 548 views

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

    By sunglasses25,
    • 3 replies
    • 226 views

  9. Two or more planets- same orbit?

    By Diamonds,
    • 3 replies
    • 235 views

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

    By SirHope,   
    • 13 replies
    • 593 views

  11. TWO STARS FADED TO BLACK, SIMULTANEOUSLY!

    By HYPERSQUIRT,   
    • 3 replies
    • 208 views

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

    By bearnard55,
    • 0 replies
    • 174 views

  13. WHAT IS THE OORT CLOUD?

    By Sefa,
    • 0 replies
    • 161 views

  14. NASA's Venus Colony Plans Video

    By Vmedvil2,
    • 12 replies
    • 509 views

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

    By SirHope,   
    • 1 reply
    • 333 views

  16. explain this for me...

    By pmull1,
    • 2 replies
    • 250 views

  17. How To Terraform Venus Video By Kurzgesagt

    By Vmedvil2,
    • 0 replies
    • 178 views

  18. Fermi Paradox Videos By Kurzgesagt

    By Vmedvil2,
    • 0 replies
    • 145 views

  19. How To Build A Space Station

    By Vmedvil2,
    • 0 replies
    • 248 views

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

    By Chiaa,   
    • 3 replies
    • 334 views

  21. The most important issue in space exploration

    By bearnard55,
    • 6 replies
    • 522 views

  22. Can we remake plastic waste into rocket fuel?

    By bearnard55,
    • 9 replies
    • 543 views

  23. How do you see the precession of Venus?

    By TonyYuan2020,
    • 3 replies
    • 1.1k views

  24. Satellite technology which helps scientists prevent us from desertification

    By bearnard55,
    • 2 replies
    • 330 views

  25. Mars Rovers 1 2

    By Turtle,
    • 18 replies
    • 4.1k views
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