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AASCIT Communications | Volume 2, Issue 6 | Sep. 28, 2015 online | Page:268-270
Dark Matter: An Enigma of Our Universe
Even before the Big Bang had occurred some 13.7 billion years ago, dark matter should have existed, for it has been accepted by the large scientific mainstream that more than 64% of the universe contained only dark matter, a concept still left to be discovered as to what it could be. actually Dark matter is estimated to constitute 84.5% of the total matter in the universe, while dark energy plus dark matter constitute 95.1% of the total mass–energy content of the universe [Ref.1-6]
T. K. Subramaniam, Department of Science & Humanities, (Physics), Sri Sairam Engineering College, Chennai, India.
Big Bang, Universe, Dark Energy, Dark Matter, Mass-Energy Content, Scientific Mainstream
“Hubble finds dark matter in Galaxy cluster”.
Ade, P. A. R.; Aghanim, N.; Armitage-Caplan, C.; (Planck Collaboration) et al. (22 March 2013). Astronomy and Astrophysics 1303; 5062. doi: 10.1051/0004-6361/201321529.
Francis, Matthew (22 March 2013) “First Planck results: the universe is still weird and interesting” Arstechnica.
“Planck captures portrait of the young universe, revealing earliest light “ University of Cambridge. 21 March 2013. Retrieved 21 March 2013.
Sean Carroll, Ph.D., Cal Tech, 2007, The Teaching Company, Dark Matter, Dark Energy: The Dark Side of the Universe, Guidebook Part 2 page 46, Accessed Oct. 7, 2013, "...dark matter: An invisible, essentially collisionless component of matter that makes up about 25 percent of the energy density of the universe... it's a different kind of particle... something not yet observed in the laboratory..."
Ferris, Timothy. “Dark Matter”. Retrieved 2015-06-10.
Raine, D.; Thomas, T. (2001).An introduction to the science of cosmology, IOP Publishing, pp 30, ISBN 0-7503-0404-.
Hawkins, M. R. S. (2011). "The case for primordial black holes as dark matter". Monthly Notices of the Royal Astronomical Society 415 (3): 2744–2757. Doi: 10.1111/j. 1365-2966. 2011. 18890. x.
Drukier, A.; Freese, K. and Spergel, D. (1986). "Detecting Cold Dark Matter Candidates". Physical Review D33 (12): 3495–3508. doi: 10.1103/Phys Rev D. 33.3495.
E. Aprile; the XENON100 Collaboration et al. (2012). "Dark Matter Results from 225 Live Days of XENON 100 Data". Phys. Rev. Lett. 109: 181301. doi: 10.1103/physrevlett. 109. 181301.
E. Aprile; the XENON100 Collaboration et al. (2011). "Implications on inelastic dark matter from 100 live days of XENON 100 data". Phys. Rev. D 84 (061101). doi: 10.1103/Phys RevLett. 109. 181301.
Source of website references:www.wisegeek.com.
Arcticle History
Submitted: Aug. 27, 2015
Accepted: Sep. 6, 2015
Published: Sep. 28, 2015
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