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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.

1,477 topics in this forum

  1. Star Explosion?!

    By Kingofny1998,   
    • 2 replies
    • 1.7k views

  2. Chinese Scholar Yang Jian Liang Putting Wrongs To Rights In Astrophysics

    By xps13579,   
    • 0 replies
    • 1.3k views

  3. Tess: The Space Telescope That Will Find Nearby Earth-Like Planets

    By alfa015,
    • 0 replies
    • 1.2k views

  4. What Do You Think About The Em Drive?

    By alfa015,
    • 0 replies
    • 1.1k views

  5. Isotropic Expansion Post Big Bang

    By petrushkagoogol,
    • 0 replies
    • 1.1k views

  6. No Dark Matter?

    By hazelm,
    • 1 reply
    • 1.2k views

  7. An Asteroid With A Language Lesson

    By hazelm,
    • 0 replies
    • 1.1k views

  8. Help The Seti Institute Find Extraterrestrial Intelligence

    By alfa015,
    • 3 replies
    • 2k views

  9. What Do You Think About The Super Flare Of Proxima Centauri?

    By alfa015,
    • 2 replies
    • 1.3k views

  10. Calculating Altitude Of Nominal Burst - Orbital Decay

    By LaurieAG,   
    • 2 replies
    • 3k views

  11. The Temperature In Space

    By Soupy1957,   
    • 6 replies
    • 2k views

  12. Magnetic Reconnection

    By hazelm,
    • 0 replies
    • 1k views

  13. Space Advertising

    By Deepwater6,
    • 0 replies
    • 1.4k views

  14. A New View

    By hazelm,
    • 0 replies
    • 1.3k views

  15. Super Blue Blood Moon

    By Deepwater6,
    • 0 replies
    • 1.2k views

  16. This Is The New Way You Can Find Exoplanets From Home

    By alfa015,   
    • 4 replies
    • 2k views

  17. How Do You Think We Can Get To Proxima B?

    By alfa015,
    • 15 replies
    • 3k views

  18. Space Launch Thread

    By Buffy,
    • 1 reply
    • 1.2k views

  19. Dark Matter Translation

    By petrushkagoogol,
    • 1 reply
    • 1.4k views

  20. New: Earth-Like Exoplanet Found Orbiting The Star Ross 128

    By alfa015,
    • 3 replies
    • 1.7k views

  21. Mars First, Then Asteroid Belt

    By Eclipse Now,   
    • 0 replies
    • 2.3k views

  22. Effect Of A Retrograde Earth

    By petrushkagoogol,
    • 6 replies
    • 1.6k views

  23. Interstellar Navigation

    By Maine farmer,
    • 1 reply
    • 1.7k views

  24. Time Travel : Space Time Pin Pointing

    By LewisTheBrindley,   
    • 1 reply
    • 3.3k views

  25. How To Build A Time Machine 1 2 3 4

    By TomKalbfus,
    • 57 replies
    • 9.4k views
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