Question

Define Big Bang theory. ​

Answer 1

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).

Hope it helps you ^_^

Answer 2

$\large\mathfrak{\orange{\underline{\underline{❥︎Answer︎}}}}$

The Big Bang Theory is the leading explanation about how the universe began. At its simplest, it says the universe as we know it started with a small singularity, then inflated over the next 13.8 billion years to the cosmos that we know today.

$\to$ʜᴏᴘᴇ ɪᴛ ʜᴇʟᴘs ʏᴏᴜ!!