Astronomy and Space

1,405 topics in this forum

1. From Where Comes This Energy? 1 2

   By hazelm, March 21, 2019
   • 23 replies
   • 1.3k views
   • 
   • hazelm
   • March 22, 2019

2. Activities Of Bennu - And ...

   By hazelm, March 21, 2019
   • 3 replies
   • 530 views
   • 
   • hazelm
   • March 21, 2019

3. 4.22 Ly Stars

   By alright1234, March 20, 2019
   • 2 replies
   • 548 views
   • 
   • alright1234
   • March 20, 2019

4. Surprises From Venus And Mercury --

   By hazelm, March 13, 2019
   • 10 replies
   • 717 views
   • 
   • fahrquad
   • March 13, 2019

5. Antimatter Capture From Blackhole

   By VictorMedvil, February 14, 2019
   • 6 replies
   • 1.5k views
   • 
   • GAHD
   • March 5, 2019

6. A River Of Stars

   By hazelm, February 16, 2019
   • 4 replies
   • 660 views
   • 
   • hazelm
   • March 1, 2019

7. The Cosmic Conundrum

   By hazelm, February 16, 2019
   • 2 replies
   • 640 views
   • 
   • OceanBreeze
   • February 16, 2019

8. Tidal Tales

   By hazelm, February 16, 2019
   • 0 replies
   • 561 views
   • 
   • hazelm
   • February 16, 2019

9. Why Isn't Concrete Used On Space Stations Or Space Craft 1 2

   By andytak3740, January 24, 2019   

   • Space Station
   • Space Craft
   • (and 2 more)

     Tagged with:

     • Space Station
     • Space Craft
     • Materials
     • Construction
   • 21 replies
   • 1.5k views
   • 
   • GAHD
   • February 10, 2019

10. Is It Feasible To Create A Tower That Reaches Space?

    By andytak3740, January 31, 2019   

    • Space elevator
    • Transportation
    • (and 1 more)

      Tagged with:

      • Space elevator
      • Transportation
      • Buildings
    • 3 replies
    • 743 views
    • 
    • fahrquad
    • February 9, 2019

11. Do You Think Tau Ceti E Is Inhabited?

    By alfa015, February 9, 2019
    • 1 reply
    • 553 views
    • 
    • fahrquad
    • February 9, 2019

12. Exciting Magnetic Alfenic Waves

    By hazelm, February 8, 2019
    • 0 replies
    • 581 views
    • 
    • hazelm
    • February 8, 2019

13. Supermassive Supergiants Collapsed?

    By hazelm, January 25, 2019
    • 4 replies
    • 618 views
    • 
    • hazelm
    • January 26, 2019

14. Stupid Cbr Question

    By Flummoxed, January 10, 2019
    • 10 replies
    • 715 views
    • 
    • exchemist
    • January 11, 2019

15. Crystallized White Dwarfs

    By hazelm, January 10, 2019
    • 12 replies
    • 656 views
    • 
    • hazelm
    • January 11, 2019

16. Uranium On The Moon?

    By VictorMedvil, January 9, 2019
    • 4 replies
    • 720 views
    • 
    • spartan45
    • January 10, 2019

17. Our Expanding Universe And Its Bubble 1 2

    By hazelm, December 29, 2018
    • 18 replies
    • 1.2k views
    • 
    • Flummoxed
    • January 2, 2019

18. Cold On The Space Station!

    By hazelm, December 22, 2018
    • 4 replies
    • 700 views
    • 
    • hazelm
    • December 22, 2018

19. Fossil From The Big Bang

    By hazelm, December 19, 2018
    • 2 replies
    • 632 views
    • 
    • Flummoxed
    • December 21, 2018

20. Chinese Scholar, Jian Liang Yang, Has Brought Order Out Of Chaos In Astrophysical Field 1 2 3

    By xps13579, March 2, 2018
    • 36 replies
    • 2.2k views
    • 
    • Flummoxed
    • December 19, 2018

21. A Planet Inflated With Helium

    By hazelm, December 7, 2018
    • 0 replies
    • 628 views
    • 
    • hazelm
    • December 7, 2018

22. Does Color Filter Change The Frequency Of Light?

    By vibhorsethi, September 5, 2018   

    • quantum mechanics
    • electromagnetic spectrum
    • 6 replies
    • 1.3k views
    • 
    • hazelm
    • December 4, 2018

23. Black Hole Fountains

    By hazelm, December 1, 2018
    • 0 replies
    • 574 views
    • 
    • hazelm
    • December 1, 2018

24. Higgs Field ? Quantum Entanglement?

    By Flummoxed, November 9, 2018
    • 1 reply
    • 1.1k views
    • 
    • Flummoxed
    • November 13, 2018

25. How Galaxies Evolve

    By hazelm, November 7, 2018
    • 3 replies
    • 683 views
    • 
    • Flummoxed
    • November 9, 2018