WHAT IS UNIVERSE? The Universe is all of space and time and their contents,including planets, stars, galaxies, and all other forms of matter and energy
Showing posts with label UNIVERSE. Show all posts
Showing posts with label UNIVERSE. Show all posts
Wednesday, October 16, 2019
UNIVERSE HOW,WHAT,WHERE?
How huge is the universe?
While the spatial size of the entire Universe is unknown, it is possible to measure the size of the observable universe, which is currently estimated to be 93 billion light-years in diameter.
Will the universe end?
The geometry of the universe is, at least on a very large scale, elliptic. In a closed universe, gravity eventually stops the expansion of the universe, after which it starts to contract until all matter in the universe collapses to a point, a final singularity termed the "Big Crunch", the opposite of the Big Bang.
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Is the universe flat? In a universe with zero curvature, the local geometry is flat. The most obvious global structure is that of E...