QUANTUM SNARK

The Big Bang theory explains the origin of the universe. Everything started loud.

✓ TRUE FACT
It describes expansion from a hot, dense early state about 13.8 billion years ago (best current estimate). Evidence includes cosmic expansion (redshift) and the 2.7 K cosmic microwave background.

Explore more

The Big Bang theory explains the origin of the universe. Everything started loud. | SmartAss Facts