Astronomy and Space

1,474 topics in this forum

1. Microsatellites

   By bearnard55, December 29, 2020
   • 0 replies
   • 335 views
   • 
   • bearnard55
   • December 29, 2020

2. The journey to the red planet

   By bearnard55, December 29, 2020
   • 0 replies
   • 338 views
   • 
   • bearnard55
   • December 29, 2020

3. What happened to Mars? 1 2 3 4 5

   By Anchovyforestbane, September 22, 2020
   • 82 replies
   • 5.2k views
   • 
   • Anchovyforestbane
   • November 22, 2020

4. Capture Image Of Black Hole

   By hazelm, April 10, 2019
   • 3 replies
   • 1.3k views
   • 
   • amateurastronomer
   • November 5, 2020

5. Argon Thought Experiment

   By Anchovyforestbane, November 2, 2020   

   • astrochemistry
   • 0 replies
   • 564 views
   • 
   • Anchovyforestbane
   • November 2, 2020

6. The First Object Launched Into Space

   By Vmedvil2, June 21, 2019
   • 2 replies
   • 1.4k views
   • 
   • Josmellon
   • October 30, 2020

7. Can astrology have a scientific basis? 1 2 3 4 5

   By hallenrm, February 20, 2006
   • 76 replies
   • 13.5k views
   • 
   • Josmellon
   • October 30, 2020

8. Do You Think There Are Planets Around Alpha Centauri?

   By alfa015, April 9, 2020
   • 1 reply
   • 963 views
   • 
   • Josmellon
   • October 30, 2020

9. Black Holes Are Like A Hologram

   By Thoth101, June 14, 2020
   • 2 replies
   • 976 views
   • 
   • Josmellon
   • October 30, 2020

10. What Kind Of Universe Is Suitable For Life?

    By ScienceAndUniverse, June 19, 2020
    • 1 reply
    • 758 views
    • 
    • Josmellon
    • October 30, 2020

11. How Can The Universe Expand Faster Than Light?

    By ScienceAndUniverse, June 20, 2020   

    • expansion of universe
    • faster than light
    • (and 1 more)

      Tagged with:

      • expansion of universe
      • faster than light
      • speed of light
    • 4 replies
    • 876 views
    • 
    • Josmellon
    • October 30, 2020

12. 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
    • 1.1k views
    • 
    • Josmellon
    • October 30, 2020

13. Universal Perpetual Machine

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

14. Interesting facts you should know before you die

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

15. #4 SIRIUS_ from Dr Steven Greer - Original Full-Length Documentary Film

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

16. Planet go boom

    By Anchovyforestbane, October 19, 2020   

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

17. Starlight Where Are You

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

18. Gallium/Mercury Planet

    By Anchovyforestbane, October 19, 2020   

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

19. Hypothetical "Spaceless" Universe

    By Anchovyforestbane, October 17, 2020   

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

20. What it takes to move the moon.

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

21. Big Bang. 1 2

    By Orion, July 20, 2020
    • 27 replies
    • 2k views
    • 
    • Thoth101
    • September 7, 2020

22. I Designed A Crewed Interstellar Spacecraft

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

23. Interview About New Proposed Interstellar Spacecraft

    By alfa015, August 7, 2020
    • 0 replies
    • 836 views
    • 
    • alfa015
    • August 7, 2020

24. Chasing Effect Between The Gravitational Field And The Object

    By TonyYuan2020, July 13, 2020   

    • gravitational field
    • 0 replies
    • 705 views
    • 
    • TonyYuan2020
    • July 13, 2020

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

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