Astronomy and Cosmology

3713 topics in this forum

1. Just a few questions on space and gravity.

   By too-open-minded, August 11, 2012
   • 10 replies
   • 2k views
   • 
   • abvegto
   • August 14, 2012

2. Terraforming Mars

   By Cerius, August 9, 2012
   • 5 replies
   • 2k views
   • 
   • mr.spaceman
   • August 12, 2012

3. Jupiter's bands

   By Gareth56, August 12, 2012
   • 1 reply
   • 1.1k views
   • 
   • Greg H.
   • August 12, 2012

4. What can Curiosity do?

   By Airbrush, August 10, 2012
   • 1 reply
   • 865 views
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   • Fuzzwood
   • August 10, 2012

5. Why is the universe expanding?

   By HerbertSu, July 29, 2012
   • 10 replies
   • 2.4k views
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   • alpha2cen
   • August 7, 2012

6. Black Holes, Light and the LHC

   By Banjax, July 21, 2012
   • 11 replies
   • 2k views
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   • EMField
   • August 6, 2012

7. Are cosmic particles directional

   By vich, August 6, 2012
   • 1 reply
   • 1k views
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   • mathematic
   • August 6, 2012

8. Sessile drop surface tension

   By hhadisi, August 6, 2012
   • 0 replies
   • 1k views
   • 
   • hhadisi
   • August 6, 2012

9. The XENON Dark Matter Project

   By dapifo, July 27, 2012
   • 9 replies
   • 2.1k views
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   • Severian
   • July 30, 2012

10. Multiple universes

    By Onix, July 12, 2012
    • 24 replies
    • 3.9k views
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    • dapifo
    • July 27, 2012

11. Expansion

    By umjd, July 26, 2012
    • 3 replies
    • 1.1k views
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    • imatfaal
    • July 26, 2012

12. Existence of other galaxies?

    By umjd, July 25, 2012
    • 5 replies
    • 1.5k views
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    • umjd
    • July 26, 2012

13. Distribution of Dark Matter

    By samsara15, July 24, 2012
    • 12 replies
    • 1.8k views
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    • CaptainPanic
    • July 26, 2012

14. When was stabilized the amount of matter and energy in the universe?

    By dapifo, July 23, 2012
    • 3 replies
    • 1k views
    • 
    • dapifo
    • July 25, 2012

15. How do we know the distance from the supernova? 1 2

    By alpha2cen, June 15, 2012
    • 28 replies
    • 4.8k views
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    • alpha2cen
    • July 24, 2012

16. A place of existence 1 2

    By Nelson, July 21, 2012
    • 26 replies
    • 4.2k views
    • 
    • Airbrush
    • July 23, 2012

17. The Big Bang - theories

    By Mebzy, July 19, 2012
    • 16 replies
    • 2.6k views
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    • Mebzy
    • July 21, 2012

18. How can we see light from the early primordial universe?

    By Alan McDougall, July 10, 2012
    • 20 replies
    • 3.4k views
    • 
    • alpha2cen
    • July 21, 2012

19. How would the universe be different if π = 3?

    By Alan McDougall, July 16, 2012
    • 18 replies
    • 2.2k views
    • 
    • D H
    • July 18, 2012

20. Dark matter & black holes

    By Pookadude, July 15, 2012
    • 11 replies
    • 1.6k views
    • 
    • Severian
    • July 17, 2012

21. Light, Observable Universe, Finite or infinite

    By Tom B, July 12, 2012
    • 2 replies
    • 1.3k views
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    • ACG52
    • July 15, 2012

22. Circumstellar Disk Disappears

    By Enthalpy, July 12, 2012
    • 3 replies
    • 1.2k views
    • 
    • Enthalpy
    • July 13, 2012

23. Big Bang 1 2 3

    By David Levy, June 24, 2012
    • 53 replies
    • 9.6k views
    • 
    • ACG52
    • July 13, 2012

24. Particle possible existing in parallel universes

    By Alan McDougall, July 12, 2012
    • 3 replies
    • 1.1k views
    • 
    • alpha2cen
    • July 12, 2012

25. information on what the following statement could mean?

    By space noob, July 8, 2012
    • 5 replies
    • 1.6k views
    • 
    • space noob
    • July 10, 2012