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ISSN:2394-3661 | Crossref DOI | SJIF: 5.138 | PIF: 3.854

International Journal of Engineering and Applied Sciences

(An ISO 9001:2008 Certified Online and Print Journal)

The Darkness of Dark Matter and Dark Energy

( Volume 5 Issue 6,June 2018 ) OPEN ACCESS
Author(s):

Dipak Nath

Abstract:

The visible universe—including Earth, the sun, other stars, and galaxies—is made of protons, neutrons, and electrons bundled together into atoms. Perhaps one of the most surprising discoveries of the 20th century was that this ordinary, or baryonic, matter makes up less than 5 percent of the mass of the universe. The rest of the universe appears to be made of a mysterious, invisible substance called dark matter (25 percent) and a force that repels gravity known as dark energy (70 percent).Cosmological observations provide compelling evidence that about 95 percent of the content of the universe reside in two unknown forms of energy, which we call dark matter and dark energy-the first resides in bound objects in the form of non-luminous matter, the later in the form of  a zero point energy that pervades the whole universe. In this article I shall try to explore the essentials of dark matter and dark energy, with particular emphasis on the experimental evidence.

DOI DOI :

https://dx.doi.org/10.31873/IJEAS.5.6.05

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