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Science & Spaceflight

A place for all geeky and sciency discussions.

8,362 topics in this forum

  1. Antimatter falls down.

    By Gargamel,
    • 15 replies
    • 739 views

  2. Measuring the distance to Mars using simple equipment (UPDATE: first estimates of distance!!) 1 2 3 4

    By cubinator,   
    • 98 replies
    • 4.2k views

  3. Helion Energy

    By Superluminal Gremlin,
    • 10 replies
    • 838 views

  4. Which of these future telescopes you can't wait for it to be operational and why?

    By antipro,
    • 10 replies
    • 781 views

  5. Fission power plants in space

    By farmerben,
    • 5 replies
    • 248 views

  6. Why Thermal Combustion Rockets On Par With Chemical Or Solid Rocket Thrust Will Be Fiction For An Indefinite Time...

    By Spacescifi,
    • 15 replies
    • 568 views

  7. Atmospheric and Space Questions...

    By Spacescifi,
    • 9 replies
    • 541 views

  8. How Common Or Rare Are Planets with 1g or Greater?

    By Spacescifi,
    • 15 replies
    • 541 views

  9. Scifi Fun With Inertial Negators....

    By Spacescifi,
    • 12 replies
    • 558 views

  10. Breakthrough Starshot Mission thread

    By farmerben,
    • 7 replies
    • 365 views

  11. Hybrid ram/scram/rocket?

    By Arugela,
    • 1 reply
    • 360 views

  12. Could a Falcon 9 with single seat cabin and no 2nd stage...

    By darthgently,
    • 15 replies
    • 387 views

  13. A Kardeshev III civilization would head for the Virgo Supercluster

    By farmerben,
    • 12 replies
    • 581 views

  14. Flying carrier!!! Found a solution!

    By Arugela,
    • 9 replies
    • 626 views

  15. Minuteman III test tonight

    By darthgently,
    • 11 replies
    • 485 views

  16. DART: Double Asteroid Redirection Test 1 2 3 4 8

    By Ultimate Steve,
    • 190 replies
    • 9.3k views

  17. Night solar panel drones? 24 hour operation?!

    By Arugela,
    • 10 replies
    • 544 views

  18. Low-Thrust Orbit transfer

    By MajorTomtom,
    • 8 replies
    • 1.8k views

  19. U.S. will lag behind in utilization of resources on the Moon. 1 2 3

    By Exoscientist,   
    • 70 replies
    • 2.3k views

  20. Which velocity formula is more accurate?

    By Arugela,
    • 14 replies
    • 524 views

  21. Gliese 710 will fly approximately 1 light year from our sun a million years from now

    By farmerben,
    • 11 replies
    • 363 views

  22. Next-Gen Nuclear Reactor Design 1 2

    By sevenperforce,
    • 38 replies
    • 2.2k views

  23. Lets talk about these UAPs 1 2 3 4

    By Pthigrivi,
    • 77 replies
    • 2.3k views

  24. 1+1 Dosen't Always Equal 2?! What?! 1 2 3

    By The Jedi Master,
    • 62 replies
    • 42.5k views

  25. If We Had Atomic Colliders That Were Reliably Efficient... What Could We Do?

    By Spacescifi,
    • 14 replies
    • 490 views
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