Astronomy and Cosmology

3705 topics in this forum

1. Gravity Waves Discovered

   By Airbrush, March 18, 2014
   • 1 reply
   • 895 views
   • 
   • StringJunky
   • March 18, 2014

2. Checking point sources in 2MASS All-Sky Point Source Catalog

   By Cosmolog, March 15, 2014
   • 0 replies
   • 671 views
   • 
   • Cosmolog
   • March 15, 2014

3. Can Sat science competition

   By TheFelixProject, March 13, 2014
   • 0 replies
   • 1k views
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   • TheFelixProject
   • March 13, 2014

4. 100 billion galaxies?

   By derek w, March 10, 2014
   • 15 replies
   • 2.7k views
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   • Cosmobrain
   • March 12, 2014

5. Expansion of space and planck length

   By JoshWallace, March 10, 2014
   • 4 replies
   • 1.4k views
   • 
   • ajb
   • March 11, 2014

6. Question about the shape of the Universe

   By Cosmobrain, March 6, 2014
   • 14 replies
   • 1.9k views
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   • MigL
   • March 9, 2014

7. Huge amount of Dark Energy that Can't be seen... Why?

   By Lightmeow, March 8, 2014
   • 7 replies
   • 1.4k views
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   • mathematic
   • March 9, 2014

8. How can the vacuum of space be "empty"

   By Lightmeow, March 7, 2014
   • 12 replies
   • 2.3k views
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   • pantheory
   • March 8, 2014

9. Meassurement of the Fly By Speed Increment Anomalies ? 1 2

   By Bjarne, January 30, 2014
   • 44 replies
   • 4.4k views
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   • imatfaal
   • March 7, 2014

10. Eridanus Super Void

    By 36grit, March 4, 2014
    • 3 replies
    • 1.2k views
    • 
    • Greg H.
    • March 5, 2014

11. Dark Matter mystery solved.

    By Cosmobrain, March 5, 2014
    • 1 reply
    • 789 views
    • 
    • swansont
    • March 5, 2014

12. What is Space? (continued)

    By ccwebb, January 22, 2014
    • 5 replies
    • 1.9k views
    • 
    • Cosmobrain
    • March 5, 2014

13. Dark matter.

    By Ctroxa, February 26, 2014
    • 8 replies
    • 1.5k views
    • 
    • Cosmobrain
    • March 5, 2014

14. A Thread Of Space Travel Speculation

    By MacLec, February 22, 2014
    • 3 replies
    • 1.6k views
    • 
    • Enthalpy
    • March 4, 2014

15. question...dark matter and black holes

    By hoola, February 17, 2014
    • 16 replies
    • 1.8k views
    • 
    • Enthalpy
    • March 4, 2014

16. Is ΛCDM considered "speculative?" 1 2

    By Schneibster, February 18, 2014
    • 29 replies
    • 3.1k views
    • 
    • ajb
    • March 1, 2014

17. gravitons and black holes: whats your view on how probable it is for gravitons to be the main composition for black holes

    By proton2701, February 23, 2014
    • 5 replies
    • 1.2k views
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    • imatfaal
    • February 28, 2014

18. Rotating cosmos

    By Moontanman, February 27, 2014
    • 3 replies
    • 1.1k views
    • 
    • Moontanman
    • February 28, 2014

19. What is constant alpha? 1 2

    By ccwebb, February 17, 2014
    • 29 replies
    • 5.2k views
    • 
    • Strange
    • February 25, 2014

20. Is space a property of matter?

    By Hashirama_Senju, February 23, 2014
    • 4 replies
    • 1.2k views
    • 
    • Strange
    • February 24, 2014

21. Quantum Entanglement Solar Flare Detection and Transmission 1 2 3 4

    By Addictive Science, December 28, 2013
    • 89 replies
    • 8.9k views
    • 
    • Schneibster
    • February 22, 2014

22. How density is related to Gravity ??

    By Anand7sem, February 19, 2014
    • 5 replies
    • 1.2k views
    • 
    • Greg H.
    • February 19, 2014

23. How would the force of gravity differ in an Antimatter Universe?

    By Alan McDougall, January 27, 2014
    • 8 replies
    • 1.3k views
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    • Sensei
    • February 19, 2014

24. Why did the universe expand when it was small enough to be gravitationally bound?

    By Rolando, February 4, 2014
    • 6 replies
    • 2k views
    • 
    • Schneibster
    • February 18, 2014

25. Question: How is a gravitational singularity possible?

    By RadarArtillery, February 9, 2014
    • 12 replies
    • 1.9k views
    • 
    • hoola
    • February 12, 2014