what is observable universe?
Answers
In Big Bang cosmology, the observable universe is what, in theory, can be seen from Earth. It simply means that it is possible in principle for light or other signals from the object to reach an observer on Earth. In practice, there is much that we cannot see.
The observable universe is a spherical volume (a ball) centered on the observer, regardless of the shape of the universe as a whole. Every place in the universe has its own observable universe, which may or may not overlap with the one centered on Earth.
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Answer:-
The observable universe through study, is commonly known to be 93 billion light years across. That is 93 billion light years in any direction, so that is an unimaginably massive area, and very hard for people to understand how the observable universe is measured. It’s based on the light that has travelled from the edge of the observable universe to Earth. Light that has not travelled and reached Earth would be anything that is outside of the observable universe, which is the known ‘universe’.
