Astronomy and Space

1,435 topics in this forum

1. Arecibo

   By fahrquad, April 30, 2019
   • 3 replies
   • 1.8k views
   • 
   • fahrquad
   • May 1, 2019

2. 3 Facts Maybe You Don't Know About Antimatter

   By alfa015, April 13, 2019
   • 1 reply
   • 1k views
   • 
   • VictorMedvil
   • April 25, 2019

3. A Question About Low Magnification Wide-Angle Optics

   By SaxonViolence, April 10, 2019
   • 3 replies
   • 740 views
   • 
   • Moronium
   • April 10, 2019

4. A Gigantic Exoplanet? 1 2

   By hazelm, April 9, 2019
   • 17 replies
   • 1.4k views
   • 
   • Flummoxed
   • April 9, 2019

5. Let There Be Light

   By hazelm, April 1, 2019
   • 15 replies
   • 971 views
   • 
   • Flummoxed
   • April 8, 2019

6. What If The Meteor That Killed The Dinosaurs Shattered Before Impact? 1 2

   By andytak3740, April 7, 2019   

   • Dinosaurs
   • meteor
   • (and 2 more)

     Tagged with:

     • Dinosaurs
     • meteor
     • astroid
     • impact
   • 21 replies
   • 2.1k views
   • 
   • fahrquad
   • April 8, 2019

7. From Where Comes This Energy? 1 2

   By hazelm, March 21, 2019
   • 23 replies
   • 1.7k views
   • 
   • hazelm
   • March 22, 2019

8. Activities Of Bennu - And ...

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

9. 4.22 Ly Stars

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

10. Surprises From Venus And Mercury --

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

11. Antimatter Capture From Blackhole

    By VictorMedvil, February 14, 2019
    • 6 replies
    • 1.8k views
    • 
    • GAHD
    • March 5, 2019

12. A River Of Stars

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

13. The Cosmic Conundrum

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

14. Tidal Tales

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

15. 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
    • 1.8k views
    • 
    • GAHD
    • February 10, 2019

16. 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
    • 918 views
    • 
    • fahrquad
    • February 9, 2019

17. Do You Think Tau Ceti E Is Inhabited?

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

18. Exciting Magnetic Alfenic Waves

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

19. Supermassive Supergiants Collapsed?

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

20. Stupid Cbr Question

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

21. Crystallized White Dwarfs

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

22. Uranium On The Moon?

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

23. Our Expanding Universe And Its Bubble 1 2

    By hazelm, December 29, 2018
    • 18 replies
    • 1.5k views
    • 
    • Flummoxed
    • January 2, 2019

24. Cold On The Space Station!

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

25. Fossil From The Big Bang

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