Astronomy and Space

1,485 topics in this forum

1. Black Holes Explained - 5 Ways To Know They Exist

   By ScienceAndUniverse, June 21, 2020   

   • black hole
   • black hole explained
   • (and 1 more)

     Tagged with:

     • black hole
     • black hole explained
     • how do we know
   • 9 replies
   • 1.7k views
   • 
   • Josmellon
   • October 30, 2020

2. Universal Perpetual Machine

   By petrushkagoogol, October 8, 2020
   • 5 replies
   • 1k views
   • 
   • Josmellon
   • October 30, 2020

3. Interesting facts you should know before you die

   By Josmellon, October 30, 2020
   • 0 replies
   • 592 views
   • 
   • Josmellon
   • October 30, 2020

4. #4 SIRIUS_ from Dr Steven Greer - Original Full-Length Documentary Film

   By Thoth101, October 24, 2020
   • 10 replies
   • 895 views
   • 
   • Thoth101
   • October 30, 2020

5. Planet go boom

   By Anchovyforestbane, October 19, 2020   

   • astrophysics
   • astrochemistry
   • 0 replies
   • 621 views
   • 
   • Anchovyforestbane
   • October 19, 2020

6. Starlight Where Are You

   By malform11, August 25, 2020
   • 4 replies
   • 1.5k views
   • 
   • spartan45
   • October 19, 2020

7. Gallium/Mercury Planet

   By Anchovyforestbane, October 19, 2020   

   • astrobiology
   • organometallic chemistry
   • 0 replies
   • 618 views
   • 
   • Anchovyforestbane
   • October 19, 2020

8. Hypothetical "Spaceless" Universe

   By Anchovyforestbane, October 17, 2020   

   • astrophysics
   • astrobiology
   • 0 replies
   • 630 views
   • 
   • Anchovyforestbane
   • October 17, 2020

9. What it takes to move the moon.

   By DoesntMatter, September 30, 2020
   • 3 replies
   • 1.3k views
   • 
   • montgomery
   • October 10, 2020

10. Big Bang. 1 2

    By Orion, July 20, 2020
    • 23 replies
    • 2.9k views
    • 
    • Thoth101
    • September 7, 2020

11. I Designed A Crewed Interstellar Spacecraft

    By alfa015, July 4, 2020
    • 5 replies
    • 1.3k views
    • 
    • Thoth101
    • August 11, 2020

12. Interview About New Proposed Interstellar Spacecraft

    By alfa015, August 7, 2020
    • 0 replies
    • 1.1k views
    • 
    • alfa015
    • August 7, 2020

13. Chasing Effect Between The Gravitational Field And The Object

    By TonyYuan2020, July 13, 2020   

    • gravitational field
    • 0 replies
    • 1k views
    • 
    • TonyYuan2020
    • July 13, 2020

14. "Star Wars" Program(S. D. I.)

    By Vmedvil2, July 2, 2020
    • 0 replies
    • 872 views
    • 
    • Vmedvil2
    • July 2, 2020

15. Isometric Expansion Of The Universe

    By petrushkagoogol, June 29, 2020
    • 0 replies
    • 704 views
    • 
    • petrushkagoogol
    • June 29, 2020

16. There Are Aliens Out There! 1 2

    By Vmedvil2, May 21, 2020
    • 20 replies
    • 3.6k views
    • 
    • Thoth101
    • June 21, 2020

17. Dark Matter Explained - How Do We Know It Exists?

    By ScienceAndUniverse, June 20, 2020   

    • Dark Matter
    • Explained
    • (and 1 more)

      Tagged with:

      • Dark Matter
      • Explained
      • How do we know
    • 0 replies
    • 932 views
    • 
    • ScienceAndUniverse
    • June 20, 2020

18. Dyson Sphere Construction Video

    By Vmedvil2, June 11, 2020
    • 0 replies
    • 1k views
    • 
    • Vmedvil2
    • June 11, 2020

19. Netflix Secured 'space Force' Trademark Before U.s. Armed Forces

    By Thoth101, June 10, 2020
    • 0 replies
    • 926 views
    • 
    • Thoth101
    • June 10, 2020

20. New Nasa Citizen Science Project To Find Exoplanets

    By alfa015, May 6, 2020
    • 1 reply
    • 961 views
    • 
    • Thoth101
    • May 19, 2020

21. 'ufo' Videos Declassified By Us Navy

    By Thoth101, April 29, 2020
    • 3 replies
    • 1.3k views
    • 
    • Thoth101
    • April 30, 2020

22. Circular Orbits

    By petrushkagoogol, April 28, 2020
    • 0 replies
    • 646 views
    • 
    • petrushkagoogol
    • April 28, 2020

23. Why The Universe Is Dominated By Matter?

    By hazelm, April 18, 2020
    • 0 replies
    • 1.1k views
    • 
    • hazelm
    • April 18, 2020

24. Neutrinos Mass Changed By False Vacuum Collapse Recently

    By Timboo, April 14, 2020
    • 1 reply
    • 1.4k views
    • 
    • Timboo
    • April 17, 2020

25. Is My Arcturusdrive Useful In Outerspace?

    By Arcturus, April 7, 2020   

    • travel
    • drive
    • 11 replies
    • 2.6k views
    • 
    • Arcturus
    • April 8, 2020