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Cosmologists now conclude that the Big Bang (BB) occurred 13.7 billion years ago. Since it is meaningless to speak of something happening "before" the BB -- there was no time or space to have a "before" -- BB Cosmology makes no statement about what happened that long ago.

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12y ago

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The big bang theory suggests that the universe is how old?

About 14.5 billion years old.


According to the big bang hypothesis what happened 20 billion years ago?

The universe did not exist that long ago. The universe as we know it is only 13.7 billion years old.


What does the big bang theory suggests happened 20 billion years ago?

that 20 billion years ago there was nothing in space but an empty space but then you ask yourself "what is nothing?" I dont know about you but i cant myself visualize noting, can you? No one really knows.


What is the year of the big bang?

The big bang occurred approximately 13.7 billion years ago.


The big bang theory states that the galaxies in the universe are?

The big bang theory states that the galaxies in the universe are continuously moving away from each other due to the expansion of space. This expansion suggests that the universe began from a hot, dense state approximately 13.8 billion years ago.


Why did big bang happen?

4 billion years ago


The most recent theory that upholds the big bang theory but suggests a sudden expansion after the bang is called the?

Inflation theory. This theory suggests that in the first moments after the Big Bang, the universe underwent a rapid and exponential expansion, causing it to grow exponentially in size. This concept helps explain certain observations of the universe, such as its large-scale structure and uniformity.


When the big bang theory when did the universe begin?

The current theories of the big bang suggest an age of any where from 13.5 Billion and 14 Billion years old. The generally excepted figure is 13.8 Billion Years Ago.


What happened to Jupiter during the big bang?

All the planets in our solar system formed at about the same time, 4.5 billion years ago. That was about 10 billion years AFTER the Big Bang.


When do we believe the big bang happened?

Approximately 13.8 billion years ago.


What year did big bang happen?

The big bang occurred approximately 13.7 billion years ago.


How many billion years ago did the big bang happpen?

The Big Bang is estimated to have occurred around 13.8 billion years ago, based on scientific measurements and observations of the expansion of the universe.