Astronomy and Cosmology

3708 topics in this forum

1. Harnessing Solar Power in Space

   By GeeKay, May 18, 2015
   • 13 replies
   • 2.8k views
   • 
   • swansont
   • July 5, 2015

2. Cosmic Microwave Background and Black Holes

   By mathematic, June 21, 2015
   • 6 replies
   • 2k views
   • 
   • MigL
   • June 29, 2015

3. Telescope to see a person on another planet

   By kos, June 27, 2015
   • 16 replies
   • 2.5k views
   • 
   • LaurieAG
   • June 29, 2015

4. The higgs boson and its scalar field.

   By Sorcerer, June 8, 2015
   • 7 replies
   • 1.4k views
   • 
   • Mordred
   • June 12, 2015

5. Big Bang Theory (Horizon Problem): Why is it assumed the universe began anisoptropic?

   By Sorcerer, June 7, 2015
   • 15 replies
   • 2.6k views
   • 
   • Sorcerer
   • June 8, 2015

6. Most simple elementary particle combination for the big bang.

   By Sorcerer, June 7, 2015
   • 15 replies
   • 1.8k views
   • 
   • Strange
   • June 7, 2015

7. Sunspots on Venus?

   By Graxwell, June 3, 2015
   • 0 replies
   • 824 views
   • 
   • Graxwell
   • June 3, 2015

8. Light Year: distance = time?

   By Kiefer, May 31, 2015
   • 5 replies
   • 1.5k views
   • 
   • Mordred
   • June 1, 2015

9. Google Science Project 2015

   By metehanemlk, May 27, 2015
   • 2 replies
   • 1k views
   • 
   • pavelcherepan
   • May 28, 2015

10. anyone here interested in ceres? (not the lights)

    By encidentt, May 19, 2015
    • 3 replies
    • 1.2k views
    • 
    • encident
    • May 24, 2015

11. The Norfolk Island effect or a magnetic link 24/7?

    By acsinuk, May 21, 2015
    • 4 replies
    • 1.6k views
    • 
    • imatfaal
    • May 22, 2015

12. CASIMIR is it an effect or a fact?

    By acsinuk, May 19, 2015
    • 1 reply
    • 984 views
    • 
    • swansont
    • May 19, 2015

13. Motion in a zero-energy universe

    By Genecks, May 19, 2015
    • 2 replies
    • 895 views
    • 
    • swansont
    • May 19, 2015

14. To save fuel fly eastwards

    By acsinuk, May 14, 2015
    • 11 replies
    • 1.8k views
    • 
    • CaptainPanic
    • May 18, 2015

15. Image: Saturn's sponge-like moon Hyperion

    By Robittybob1, April 29, 2015
    • 15 replies
    • 2.6k views
    • 
    • robark
    • May 17, 2015

16. Observable Universe Explanation

    By Yoseph, May 11, 2015
    • 1 reply
    • 1.1k views
    • 
    • Strange
    • May 11, 2015

17. Neutron Stars II: Gravity v Magnetism

    By GeeKay, May 6, 2015
    • 5 replies
    • 1.4k views
    • 
    • swansont
    • May 9, 2015

18. Force vectors at event horizon

    By petrushka.googol, May 6, 2015
    • 1 reply
    • 776 views
    • 
    • ajb
    • May 6, 2015

19. Neutron Stars

    By Kirin Eldridge, April 26, 2015
    • 8 replies
    • 1.5k views
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    • swansont
    • May 6, 2015

20. 'Killer' Asteroids?

    By Moonguy, April 9, 2015
    • 4 replies
    • 1.8k views
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    • Airbrush
    • May 4, 2015

21. Hypothesis: The Observed 'Accelerating Expansion' of the Universe is Actually the Gravitational Entropy in the Changing Shape of Superclusters

    By metacogitans, May 1, 2015
    • 2 replies
    • 1.1k views
    • 
    • Klaynos
    • May 1, 2015

22. The Big Rip Theory

    By IAstroViz, April 29, 2015
    • 10 replies
    • 1.9k views
    • 
    • Mordred
    • April 30, 2015

23. is e=mc^2 a unairy mechanisim

    By shmengie, April 28, 2015
    • 17 replies
    • 2.1k views
    • 
    • shmengie
    • April 30, 2015

24. Does the process of accreation cause redshift? 1 2

    By shmengie, April 14, 2015
    • 35 replies
    • 3.5k views
    • 
    • shmengie
    • April 28, 2015

25. Planet Formation

    By ccwebb, April 23, 2015
    • 18 replies
    • 2k views
    • 
    • Robittybob1
    • April 27, 2015