International Journal of Recent Trends in Engineering & Research

online ISSN

MYSTERIES DARK ENERGY AND UNIVERSE

Publication Date : 20/04/2016


Author(s) :

Rajnivas.B , Devaneyan.S.


Volume/Issue :
Volume 2
,
Issue 4
(04 - 2016)



Abstract :

The nature of dark energy is one of the most important unsolved problems in all of science. Step backs a minute and considers a more familiar experience: what happens when you toss a ball straight up into the air? It gradually slows down as gravity tugs on it, finally stopping in mid-air and falling back to the ground. Of course, if you threw the ball hard enough (about 25,000 miles per hour) it would actually escape from the Earth entirely and shoot into space, never to return. But even in that case, gravity would continue to pull feebly on the ball, slowing its speed as it escaped the clutches of the Earth. But now imagine something completely different. Suppose that you tossed a ball into the air, and instead of being attracted back to the ground, the ball was repelled by the Earth and blasted faster and faster into the sky. This would be an astonishing event, but it's exactly what astronomers have observed happening to the entire universe. In this paper we are going to discuss the dark energy and universe.


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