Jump to content
Science Forums

Astronomy and Space

Space, Human spaceflight, space probes and the exploration of our Solar System. No personal theories or speculation please.

1,487 topics in this forum

  1. A mystery of black holes and Big-Bang, theory of black star and sizable body on the start of the universe

    By cpu68,
    • 0 replies
    • 111 views

  2. Star appeared out of nowhere was super bright then disappear last like 15-20 seconds

    By Nightlights646,
    • 1 reply
    • 449 views

  3. Missing pulsar problem (MPP)

    By Dandav,
    • 15 replies
    • 1.7k views

  4. I just seen a star disappear? 1 2 3 4 5

    By geko,
    • 74 replies
    • 107.2k views

  5. How to catch a glimpse of a new star about to appear in the night sky:

    By oldpaddoboy,
    • 10 replies
    • 4k views

  6. Webb detects most distant black hole merger to date

    By oldpaddoboy,
    • 1 reply
    • 825 views

  7. The JWST and Supernova 1987A

    By oldpaddoboy,
    • 10 replies
    • 1.2k views

  8. Primordial Black Hole Capture by Neutron Stars:

    By oldpaddoboy,
    • 0 replies
    • 626 views

  9. Origin of asteroids

    By Moontanman,
    • 8 replies
    • 1.3k views

  10. Solar Eclipse 2024: Pictures from Vmedvil in the Totality Zone

    By Vmedvil,
    • 1 reply
    • 852 views

  11. Are Humans the First Technologically Advanced Species in the Universe? 1 2 3 4

    By Vmedvil,
    • 65 replies
    • 8.8k views

  12. An Analysis Of The Big Bang

    By ClaudeGaiven,
    • 9 replies
    • 3.4k views

  13. Let's take two objects A and B at a different distance of about 29 million light years and are moving away at the rate of expansion similar to that of universe and a ray of light emitted by A toward B and the initial date of their positioning would reach

    By billywilliams,   
    • 3 replies
    • 1.1k views

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

    By sunglasses25,
    • 5 replies
    • 1.6k views

  15. The mechanism of comet formation

    By Fermer1959,
    • 0 replies
    • 753 views

  16. What if Humans Stored Nuclear Waste On Other Planets?

    By Vmedvil,
    • 5 replies
    • 1.4k views

  17. Nuclear Saltwater Rocket

    By Moontanman,
    • 2 replies
    • 899 views

  18. Momentum of systems

    By DimSon,
    • 2 replies
    • 1.5k views

  19. Humanoid Aliens? 1 2

    By Moontanman,
    • 18 replies
    • 3.2k views

  20. A Realistic Planet with 3 Moons

    By jmhuff,   
    • 1 reply
    • 884 views
    • Halc
    • Halc

  21. Planetary Defense: Shielding Earth from Asteroids

    By PanopticPerceptions,   
    • 1 reply
    • 926 views

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

    By spartan45,
    • 22 replies
    • 15.8k views

  23. Time dilation and Hawkins radiation.

    By Jomazing,   
    • 15 replies
    • 1.9k views

  24. Entire Galaxy Destroying Kardashev Scale 4 Weapon

    By Vmedvil,
    • 4 replies
    • 1.5k views

  25. Hycean Planets

    By Moontanman,
    • 2 replies
    • 1.4k views
×
×
  • Create New...