Astronomy and Space

1,483 topics in this forum

1. Space Budget

   By Deepwater6, February 10, 2016
   • 1 reply
   • 1.6k views
   • 
   • CraigD
   • February 10, 2016

2. 19.4 Earth Masses Of Ice Inside Saturn

   By granpa, February 9, 2016
   • 2 replies
   • 1.9k views
   • 
   • granpa
   • February 9, 2016

3. Possibilities And Challenges Of Space And Mankind?

   By yashrajkakkad, January 19, 2016
   • 3 replies
   • 2.1k views
   • 
   • CraigD
   • January 20, 2016

4. Cosmological Redshift

   By NotBrad, January 8, 2016
   • 3 replies
   • 2k views
   • 
   • CraigD
   • January 15, 2016

5. Blue Origin

   By Deepwater6, November 24, 2015
   • 1 reply
   • 2.8k views
   • 
   • CraigD
   • November 25, 2015

6. How We May Counteract The G Forces Of A Moving Spacecraft.

   By TheSoloPlayer, October 13, 2015   

   • G force
   • Mars
   • (and 4 more)

     Tagged with:

     • G force
     • Mars
     • CounterAct
     • Gyroscope
     • Spin
     • Speed
   • 10 replies
   • 6k views
   • 
   • CraigD
   • November 14, 2015

7. Laser Sailing

   By freeztar, July 25, 2015
   • 5 replies
   • 2.8k views
   • 
   • Turtle
   • August 26, 2015

8. Married Mission To Mars

   By Deepwater6, February 28, 2013
   • 8 replies
   • 3k views
   • 
   • Pyrotex
   • August 25, 2015

9. New Horizons Message

   By Deepwater6, May 21, 2015
   • 4 replies
   • 2k views
   • 
   • sanctus
   • August 19, 2015

10. Holographic Universe - Help For A Project

    By makunis, January 16, 2015   

    • holographic
    • universe
    • (and 3 more)

      Tagged with:

      • holographic
      • universe
      • holographic universe
      • game
      • hologram
    • 1 reply
    • 2.7k views
    • 
    • Cyberia
    • August 14, 2015

11. Just Saw A Star Dissappear Topic 2

    By Spanjol, February 8, 2015   

    • star constellation sirius
    • 2 replies
    • 2k views
    • 
    • Cyberia
    • August 14, 2015

12. The 2004 Film "hawking": Some Personal Reflections

    By RonPrice, January 20, 2015   

    • Big-Bang
    • Kawking
    • (and 2 more)

      Tagged with:

      • Big-Bang
      • Kawking
      • physics
      • personal
    • 2 replies
    • 3.4k views
    • 
    • RonPrice
    • July 9, 2015

13. Drakes Equation

    By Deepwater6, April 27, 2015
    • 12 replies
    • 2.2k views
    • 
    • Moontanman
    • May 5, 2015

14. Rodin's Rocket Problem

    By rodin, April 25, 2015
    • 4 replies
    • 2.1k views
    • 
    • rodin
    • April 27, 2015

15. Blasting Space Debris With Lasers

    By Buffy, April 21, 2015
    • 2 replies
    • 1.8k views
    • 
    • CraigD
    • April 25, 2015

16. How Fast Can A Disc Spin? 1 2

    By johnferk, January 26, 2012
    • 22 replies
    • 9.7k views
    • 
    • JonOne
    • March 27, 2015

17. Theory Of Cosmic Recycling

    By slim0707, February 9, 2015   

    • theory black holes
    • 3 replies
    • 4k views
    • 
    • slim0707
    • February 27, 2015

18. Planet Between Mars And Jupiter 1 2

    By Moontanman, January 30, 2015
    • 23 replies
    • 4.5k views
    • 
    • Moontanman
    • February 4, 2015

19. Binary Star System

    By mjtobias, January 11, 2015
    • 10 replies
    • 2.3k views
    • 
    • Moontanman
    • January 14, 2015

20. Trinary Star System

    By Moontanman, January 12, 2015
    • 1 reply
    • 1.5k views
    • 
    • Eclogite
    • January 13, 2015

21. How Would Affect The Global Temperature Going Away From The Sun?

    By AdrianG, January 5, 2015
    • 3 replies
    • 1.7k views
    • 
    • CraigD
    • January 8, 2015

22. Weird Meteor Video

    By Moontanman, January 6, 2015
    • 5 replies
    • 1.8k views
    • 
    • Eclogite
    • January 8, 2015

23. Why Space Elevators Are Cool

    By ErlyRisa, December 8, 2014
    • 6 replies
    • 2.2k views
    • 
    • Moontanman
    • December 18, 2014

24. How Would You Swear In A Fundamental Language?

    By ErlyRisa, December 14, 2014
    • 2 replies
    • 1.4k views
    • 
    • ErlyRisa
    • December 15, 2014

25. Redshift z 1 2 3 4 46

    By coldcreation, July 5, 2005
    • 769 replies
    • 162.3k views
    • 
    • LaurieAG
    • December 10, 2014