what is big bang theory
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Answer:
The big bang is how astronomers explain the way the universe began. It is the idea that the universe began as just a single point, then expanded and stretched to grow as large as it is right now (and it could still be stretching).
The big bang is how astronomers explain the way the universe began. It is the idea that the universe began as just a single point, then expanded and stretched to grow as large as it is right now (and it could still be stretching).
Answer:
According to this theory about 13.8 billion years ago a massive explosion took place called the BIG BANG after which matter and energy were formed. The explosion led to the expansion of the universe which continues till today.
Before the explosion all matter and energy were contained in a single point with infinite mass.
Scientists are still not sure what existed before the BIG BANG.