Astronomy and Cosmology

3705 topics in this forum

1. what a Tool!

   By YT2095, November 26, 2008
   • 2 replies
   • 1.1k views
   • 
   • ajb
   • November 26, 2008

2. Telescope

   By RAJESHKUMAR110, November 25, 2008
   • 6 replies
   • 1.6k views
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   • Flashman
   • November 25, 2008

3. Satellite of Jupiter

   By RAJESHKUMAR110, November 25, 2008
   • 1 reply
   • 859 views
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   • DrP
   • November 25, 2008

4. Leonids Meteor Shower Peak.

   By interstellar, November 12, 2008
   • 4 replies
   • 1.3k views
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   • interstellar
   • November 25, 2008

5. Mystery source of cosmic ray bombardment

   By Royston, November 21, 2008
   • 5 replies
   • 1.5k views
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   • Arch2008
   • November 21, 2008

6. Space cannot expand because it has no shape--claim by Sovereign

   By Sovereign, October 31, 2008
   • 22 replies
   • 3.1k views
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   • Baby Astronaut
   • November 19, 2008

7. Utilizing Gravity for Space Travel

   By kenel, July 20, 2002
   • 17 replies
   • 2.9k views
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   • Klaynos
   • November 16, 2008

8. Hubble Announces A Major Extrasolar Planet Discovery

   By TropicalLife, November 7, 2008
   • 5 replies
   • 1.4k views
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   • Arch2008
   • November 14, 2008

9. Does time go back before the Big Bang? 1 2

   By Martin, October 23, 2008
   • 25 replies
   • 3.7k views
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   • aguy2
   • November 12, 2008

10. Who will save our earth?

    By emaad, October 22, 2008
    • 24 replies
    • 3.4k views
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    • Flashman
    • November 10, 2008

11. The Big Bang Theory

    By Mowgli, November 2, 2008
    • 11 replies
    • 2.6k views
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    • Edtharan
    • November 10, 2008

12. Is the earth pulled around by the moon?

    By zensunni, September 14, 2008
    • 14 replies
    • 2.5k views
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    • interstellar
    • November 8, 2008

13. Chance to "see" dark matter

    By Arch2008, November 6, 2008
    • 4 replies
    • 1.3k views
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    • Arch2008
    • November 7, 2008

14. Missing sun spots

    By Observer, October 9, 2008
    • 14 replies
    • 2.2k views
    • 
    • SkepticLance
    • November 7, 2008

15. Lake on Titan as big as Lake Ontario

    By Martin, July 31, 2008
    • 5 replies
    • 1.1k views
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    • Moontanman
    • November 7, 2008

16. Here comes the Sun.

    By Arch2008, November 4, 2008
    • 4 replies
    • 1k views
    • 
    • insane_alien
    • November 5, 2008

17. Ashtekar and re-understanding the Bang

    By Martin, November 3, 2008
    • 1 reply
    • 945 views
    • 
    • npts2020
    • November 5, 2008

18. Outside the visible universe

    By Norman Albers, October 30, 2008
    • 8 replies
    • 1.5k views
    • 
    • Norman Albers
    • November 2, 2008

19. more detail for Arch

    By Martin, October 22, 2008
    • 4 replies
    • 1.1k views
    • 
    • Martin
    • November 2, 2008

20. The elliptical orbits of the planets

    By mooeypoo, October 30, 2008
    • 4 replies
    • 1.9k views
    • 
    • D H
    • November 1, 2008

21. I'm confused a bit

    By Faiien, November 1, 2008
    • 1 reply
    • 891 views
    • 
    • Martin
    • November 1, 2008

22. The universe can't expand beyond our reach

    By Baby Astronaut, October 28, 2008
    • 10 replies
    • 2k views
    • 
    • Martin
    • October 30, 2008

23. Flyby Anomaly

    By D H, October 30, 2008
    • 3 replies
    • 1.4k views
    • 
    • Sisyphus
    • October 30, 2008

24. How can we receive light from an object older than the universe

    By Alan McDougall, October 1, 2008
    • 12 replies
    • 2k views
    • 
    • Martin
    • October 29, 2008

25. Gas Giant Ignition

    By AtomSplitter, October 20, 2008
    • 24 replies
    • 3.5k views
    • 
    • Mr Skeptic
    • October 29, 2008