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It is not currently known how big the Universe is. The observable Universe has a radius of about 47 billion light-years; that is, the most distant objects that can be observed in theory are at that distance. The actual Universe is probably quite a bit bigger.

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What year did the earth expand in the big bang theory?

It is the Universe that expanded, not specifically the Earth. Earth was formed much later than the Big Bang. The Universe continues expanding, though.It is the Universe that expanded, not specifically the Earth. Earth was formed much later than the Big Bang. The Universe continues expanding, though.It is the Universe that expanded, not specifically the Earth. Earth was formed much later than the Big Bang. The Universe continues expanding, though.It is the Universe that expanded, not specifically the Earth. Earth was formed much later than the Big Bang. The Universe continues expanding, though.


How much did the universe increase after the big bang?

From an infinitesimally small point to the present size, the universe is still expanding as a result of the big bang.


What does the big bang theory explain about the size of the universe?

Not much, really. Our Universe MIGHT be significantly larger than what we can see -- that portion of our Universe we call the "observable Universe" -- or it might be infinite. No conclusion can be made about the size of our Universe based on the fact of the Big Bang.


How big was it big bang?

The expansion of every part of our Universe was as big as our Universe -- which, if not infinitely large, is pretty big.


How does expanding universe provide evidence for big bang theory?

It is not so much that the universe is expanding, but rather the rationalization for its expansion that provides evidence to support the Big Bang Theory. The Big Bang supports interpreted observational evidence of the Cosmic Microwave Background Radiation (CMBR) barrier that there is an evolutionary expansion of the universe which promotes a finite age for the universe.


What does the big bang theory tell us about current size of the universe?

Not much, unfortunately. We know that our Universe is expanding, and has been for about 13.7 billion years. The problem is, we can only see light from objects that has had time to reach us since the Big Bang. Thus, we can only know about the "observable" universe. How much more of our Universe is outside our present field of vision is still speculative at best.


What does the Big Bang theory tell us about the universe?

The Big Bang Theory tells what happen at the begning of the universe. How the Earth comes into the universe


What are some questions about the Big Bang theory and its implications for the origin of the universe?

Some questions about the Big Bang theory and its implications for the origin of the universe include: What caused the Big Bang? How did the universe evolve after the Big Bang? What evidence supports the Big Bang theory? What are the implications of the Big Bang for our understanding of the universe's beginning and future?


What does the big bang theory have to do with the universes expansion?

It is not so much that the universe is expanding, but rather the rationalization for its expansion that provides evidence to support the Big Bang Theory. The Big Bang supports interpreted observational evidence of the Cosmic Microwave Background Radiation (CMBR) barrier that there is an evolutionary expansion of the universe which promotes a finite age for the universe.


How much energy did the Big Bang release in the creation of the universe?

The Big Bang released an immense amount of energy, estimated to be equivalent to about 1045 joules.


How big is the univearse?

The observable Universe has a radius of about 46 billion light-years; that would be a diameter of 92 billion light-years. The entire Universe is likely much bigger, but it isn't know how much bigger.


How much of the universe have humans explored with telescopes?

Based on chemical spectography, which is the maximum science we can use presently, we have "seen" approximately 1.25% of what "we think" are the range parameters of the universe. The farthest we've seen through spectography (much farther than visual or radiotelescopy) is about 600 billion light years away. Do the math - too many zero's for me.