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Space Exploration, Spaceflight and Astronomy

Venturing out in to the cosmos.

Subforums

  1. Space News - Astronomy and Astrophysics

    Exploring the wonders of the universe.

    33,558
    posts
  2. Space News - Exploration and Spaceflight

    Manned and unmanned missions in to space.

    61,927
    posts

527 topics in this forum

  1. In Memoriam 1 2 3 4 10

    • 239 replies
    • 57,041 views
  2. Is there a center of the universe? 1 2 3 4 16

    • 383 replies
    • 14,443 views
  3. Why Atmospheres of Stars Lack Metals? 1 2 3 4 14

    • 344 replies
    • 12,157 views
  4. Why is the Universe Dark? 1 2 3 4 9

    • 211 replies
    • 13,312 views
    • 158 replies
    • 11,724 views
  5. The Universe is rotating 1 2 3 4 6

    • 127 replies
    • 10,716 views
  6. Mars & Life creation in Universe 1 2 3 4 5

    • 122 replies
    • 10,042 views
  7. Faster Than Light and Time Travel 1 2 3 4 5

    • 112 replies
    • 6,679 views
  8. Supernovae are not our creators 1 2 3 4 5

    • 112 replies
    • 10,072 views
  9. Stars explode no matter what the size is 1 2 3 4 5

    • 106 replies
    • 5,842 views
  10. The Fermi Paradox - Where is Everybody? 1 2 3 4 5

    • 102 replies
    • 6,291 views
  11. space ship design 1 2 3 4

    • 98 replies
    • 7,066 views
  12. Quicker "burning" and temperature of star 1 2 3 4

    • 91 replies
    • 6,803 views
  13. Weitter Duckss's Theory of the Universe 1 2 3 4

    • 89 replies
    • 6,250 views
  14. Evolution of our planets 1 2 3 4

    • 89 replies
    • 2,156 views
  15. Vacuum decay and fine structure constraint 1 2 3 4

    • 89 replies
    • 2,942 views
  16. The unimaginable vastness of the universe. 1 2 3 4

    • 86 replies
    • 12,309 views
  17. Is Our Universe Alone? 1 2 3 4

    • 86 replies
    • 2,861 views
  18. Atom & Why did CERN fail? 1 2 3 4

    • 82 replies
    • 7,094 views
  19. Why there is no vacuum in the universe. 1 2 3 4

    • 82 replies
    • 5,230 views
  20. Dead galaxy 1 2 3 4

    • 80 replies
    • 2,177 views
  21. Is Planet 9 a threat? 1 2 3 4

    • 78 replies
    • 6,604 views
  22. What Are The Lakes On Titan Made Of? 1 2 3 4

    • 78 replies
    • 6,342 views
  23. Fleeting universe 1 2 3 4

    • 78 replies
    • 1,668 views
  24. News about Nasa's 'impossible' EMDrive 1 2 3

    • 69 replies
    • 7,119 views
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