Astronomy and Cosmology

3705 topics in this forum

1. Introduce microbes on Mars?

   By Silvestru, April 27, 2017
   • 5 replies
   • 1.3k views
   • 
   • Airbrush
   • April 29, 2017

2. Energy on the Moon 1 2

   By harlock, April 2, 2017
   • 48 replies
   • 6.3k views
   • 
   • mistermack
   • April 26, 2017

3. Migrating Hot Jupiters 1 2

   By frankglennjacobs@gmail.com, April 18, 2017
   • 26 replies
   • 3k views
   • 
   • Mordred
   • April 25, 2017

4. Oscillating View of Infinity

   By AbnormallyHonest, March 25, 2017
   • 19 replies
   • 2.2k views
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   • Mordred
   • April 23, 2017

5. How to find exoplanets from home

   By alfa015, April 20, 2017
   • 1 reply
   • 969 views
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   • Phi for All
   • April 20, 2017

6. Galaxy lights distance from Earth

   By Superfastman88, March 25, 2017
   • 6 replies
   • 1.8k views
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   • imatfaal
   • April 19, 2017

7. What was before the BB? 1 2

   By Alubadi21, April 13, 2017
   • 29 replies
   • 3.8k views
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   • goldglow
   • April 19, 2017

8. Why suspect a holographic universe?

   By wallflash, April 10, 2017
   • 6 replies
   • 1.3k views
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   • Delta1212
   • April 13, 2017

9. Conditions at an ultramassive black hole's event horizon

   By Midphase, April 11, 2017
   • 12 replies
   • 1.6k views
   • 
   • Midphase
   • April 12, 2017

10. White Holes and the Big Bang Theory

    By ItsYikez, April 6, 2017
    • 2 replies
    • 1.1k views
    • 
    • ItsYikez
    • April 10, 2017

11. What do you think about Proxima b?

    By alfa015, April 5, 2017
    • 3 replies
    • 1.3k views
    • 
    • alfa015
    • April 5, 2017

12. Early Moon's orbit - Question

    By Althistorybuff, March 23, 2017
    • 9 replies
    • 1.7k views
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    • Althistorybuff
    • April 5, 2017

13. How were engineers able to shield against the Van Allen radiation belt?

    By CuriousStudent, March 27, 2017
    • 2 replies
    • 1.4k views
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    • Enthalpy
    • April 2, 2017

14. Matter in accretion disks VS higgs-boson at CERN 1 2 3 4

    By David Levy, March 7, 2017
    • 85 replies
    • 7.4k views
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    • Strange
    • April 1, 2017

15. Fastest Star in the Galaxy

    By Airbrush, March 30, 2017
    • 2 replies
    • 1.1k views
    • 
    • Airbrush
    • March 30, 2017

16. Is this universe completely silent?

    By Sriman Dutta, March 28, 2017
    • 15 replies
    • 2.8k views
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    • Moontanman
    • March 28, 2017

17. N-Body Problem - need a simple answer for a created planetary system

    By Althistorybuff, March 22, 2017
    • 3 replies
    • 1.2k views
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    • KipIngram
    • March 27, 2017

18. What am I observing? 1 2 3 4

    By JohnLesser, March 20, 2017
    • 88 replies
    • 8.5k views
    • 
    • JohnLesser
    • March 26, 2017

19. Question on Red Dwarf Binary Tidal Locking

    By Althistorybuff, March 19, 2017
    • 5 replies
    • 2.2k views
    • 
    • imatfaal
    • March 22, 2017

20. How did all life become developed by the big bang?

    By EmmaWhat, March 3, 2017
    • 21 replies
    • 2.8k views
    • 
    • StringJunky
    • March 19, 2017

21. Gravitational waves - is it possible to detect them on Earth?

    By ravell, November 20, 2016
    • 14 replies
    • 2.1k views
    • 
    • ravell
    • March 18, 2017

22. relationship with the cosmological constant and the Planck force ?

    By stephaneww, March 17, 2017
    • 0 replies
    • 952 views
    • 
    • stephaneww
    • March 17, 2017

23. Are there planets not orbiting stars

    By Alfred001, March 15, 2017
    • 13 replies
    • 1.5k views
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    • zapatos
    • March 17, 2017

24. Whiteholes and the fact that none have been found

    By LabRat1, March 13, 2017
    • 13 replies
    • 1.4k views
    • 
    • Daecon
    • March 16, 2017

25. Solar System or solar systems?

    By Alfred001, March 15, 2017
    • 5 replies
    • 1.1k views
    • 
    • Alfred001
    • March 16, 2017