Astronomy and Cosmology

3709 topics in this forum

1. Mapping the universe in "real time"? 1 2 3

   By Baby Astronaut, January 1, 2009
   • 51 replies
   • 6.9k views
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   • Klaynos
   • January 9, 2009

2. New Observations on Dark Energy

   By Darkpassenger, December 22, 2008
   • 9 replies
   • 2k views
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   • Royston
   • January 7, 2009

3. space-time:fabric, foam, or what?

   By tomc, December 5, 2008
   • 23 replies
   • 3.6k views
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   • NowThatWeKnow
   • January 7, 2009

4. Reading Komatsu, getting over a few notation hurdles

   By Martin, January 6, 2009
   • 0 replies
   • 821 views
   • 
   • Martin
   • January 6, 2009

5. Distance of a star

   By electricman6913, January 5, 2009
   • 4 replies
   • 1.1k views
   • 
   • NowThatWeKnow
   • January 5, 2009

6. The Early Universe

   By NowThatWeKnow, January 3, 2009
   • 8 replies
   • 1.7k views
   • 
   • NowThatWeKnow
   • January 4, 2009

7. Iya 2009

   By Arch2008, January 2, 2009
   • 1 reply
   • 1k views
   • 
   • snp.gupta
   • January 3, 2009

8. Which age of the universe do they map?

   By Baby Astronaut, December 31, 2008
   • 5 replies
   • 1.4k views
   • 
   • Baby Astronaut
   • January 1, 2009

9. Columbia Disaster, New Report To Be Released Today.

   By interstellar, December 30, 2008
   • 1 reply
   • 1.1k views
   • 
   • D H
   • December 30, 2008

10. Gravitational pull of black holes

    By deoxyribonuclei, December 25, 2008
    • 18 replies
    • 2.6k views
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    • Severian
    • December 27, 2008

11. expanding universe 1 2

    By johan01, December 8, 2008
    • 26 replies
    • 3.4k views
    • 
    • north
    • December 24, 2008

12. Weird thought about gravity...

    By Falkon, December 18, 2008
    • 23 replies
    • 3k views
    • 
    • Klaynos
    • December 23, 2008

13. Magnetic field strength of the earth in center

    By gre, December 22, 2008
    • 11 replies
    • 1.6k views
    • 
    • gre
    • December 23, 2008

14. The Pole/Gravity Curvature!

    By liber_scientia, December 23, 2008
    • 2 replies
    • 1.2k views
    • 
    • D H
    • December 23, 2008

15. Horizontal Coordinate System

    By ordinarymoron, December 18, 2008
    • 2 replies
    • 699 views
    • 
    • ordinarymoron
    • December 18, 2008

16. Pioneer Anomaly Is Explained By Dynamic Universe Model Of Cosmology.

    By snp.gupta, December 17, 2008
    • 0 replies
    • 936 views
    • 
    • snp.gupta
    • December 17, 2008

17. Hubble's Constant........

    By Harlequinne, December 16, 2008
    • 1 reply
    • 852 views
    • 
    • John Cuthber
    • December 16, 2008

18. Dark Matters...........

    By Harlequinne, December 16, 2008
    • 1 reply
    • 761 views
    • 
    • snp.gupta
    • December 16, 2008

19. What does this phrase mean? [about "energy density fluctuations"]

    By Baby Astronaut, December 13, 2008
    • 1 reply
    • 956 views
    • 
    • Martin
    • December 13, 2008

20. Theory on the rotation and orientation of the Earth

    By Stokes1127, December 12, 2008
    • 10 replies
    • 1.6k views
    • 
    • Klaynos
    • December 12, 2008

21. 16 year footage around Milky Way black hole

    By Baby Astronaut, December 11, 2008
    • 1 reply
    • 711 views
    • 
    • granpa
    • December 12, 2008

22. Space Exploration for Dummies

    By Chase, December 10, 2008
    • 7 replies
    • 1.5k views
    • 
    • npts2020
    • December 11, 2008

23. help needed on adding additional objects to FITS images...

    By cosmosbird888, December 9, 2008
    • 0 replies
    • 632 views
    • 
    • cosmosbird888
    • December 9, 2008

24. Moon, Venus and Jupiter

    By Royston, December 1, 2008
    • 6 replies
    • 1.3k views
    • 
    • Royston
    • December 8, 2008

25. Big Bang and Size of Universe

    By cre8ivmind, November 12, 2008
    • 7 replies
    • 1.7k views
    • 
    • Martin
    • December 7, 2008