GENERAL KNOWLEDGE

GK

BIG BANG THEORY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Explained why galaxies appear to be accelerating away from the each other
A
Big Bang Theory
B
Red Shift
C
Stars
D
CMB
Explanation: 

Detailed explanation-1: -The galaxies are moving away from Earth because the fabric of space itself is expanding. While galaxies themselves are on the move-the Andromeda Galaxy and the Milky Way, for example, are on a collision course (opens in new tab)-there is an overall phenomenon of redshift happening as the universe gets bigger.

Detailed explanation-2: -Bottom line: A redshift reveals how an object in space (star/planet/galaxy) is moving compared to us. It lets astronomers measure a distance for the most distant (and therefore oldest) objects in our universe.

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