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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.

    33,335
    posts
  2. Space News - Exploration and Spaceflight

    Manned and unmanned missions in to space.

    61,638
    posts

499 topics in this forum

  1. Ice on mars? 1 2

    • 35 replies
    • 1,428 views
  2. The formation of particles in the Universe

    • 5 replies
    • 560 views
  3. To Scale: The Solar System

    • 1 reply
    • 517 views
  4. Evidence of Organic Molecules on Mars.

    • 8 replies
    • 595 views
  5. Cool video of meteorite.

    • 1 reply
    • 426 views
  6. Aerospike Engines - Why Aren't We Using them

    • 3 replies
    • 517 views
  7. Why Atmospheres of Stars Lack Metals? 1 2 3 4 14

    • 344 replies
    • 11,690 views
  8. Theory of interaction of physical spaces

    • 16 replies
    • 697 views
  9. Size Comparison in our Universe

    • 3 replies
    • 548 views
  10. Recipes for Exoplanets.

    • 2 replies
    • 389 views
  11. LIVE Spacewalk for 6 hours (May 16)

    • 4 replies
    • 440 views
  12. Black Holes.

    • 10 replies
    • 559 views
  13. Gravitation as compensation interaction

    • 1 reply
    • 588 views
  14. Orbital Mechanics 2

    • 1 reply
    • 462 views
  15. Is there a center of the universe? 1 2 3 4 16

    • 383 replies
    • 13,958 views
  16. Black Hole vs Big Bang?

    • 11 replies
    • 535 views
  17. And God said: Let it be light,

    • 7 replies
    • 907 views
  18. TESS: the new exoplanet hunter

    • 1 reply
    • 393 views
  19. Partial Red Moon In The East At 3:30am

    • 1 reply
    • 353 views
  20. What do you think about the EM drive?

    • 3 replies
    • 1,154 views
  21. Demolition Hubble's law, Big Bang -

    • 7 replies
    • 747 views
  22. Shuttle Roll

    • 3 replies
    • 343 views
  23. What is happening to oxygen and hydrogen?

    • 5 replies
    • 615 views
  24. Where did the blue spectral shift ... 1 2

    • 39 replies
    • 2,017 views
  25. Some black holes erase your past

    • 1 reply
    • 422 views
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