The Earth did not explode but it had a fairly heavy collision with a planet called Theia about 4.6 billion years ago.
No. The milky way did not exist at all, fourteen billion years ago. According to the Big Bang theory, the first galaxies started forming at least a million years after the universe had started to expand.
558 years ago.
1-1.8 million years ago was approximately 0.2-0.8 million years ago.
If They Lived 500 years ago It WAS 500 years ago
The Ethiopian highlands began to rise about 75 million years ago.
Our Sun did not exist till about five billion years ago.
It was 20 years ago.
your nan
4 Billion years.
There was 700 polar bears left in our world 50 years ago.
No. The milky way did not exist at all, fourteen billion years ago. According to the Big Bang theory, the first galaxies started forming at least a million years after the universe had started to expand.
Humans evolved about half a million years ago. Fully modern humans appeared about 200,000 years ago.
more than one
38 years ago
I WISH I KNEW! lol!
He held the world record for the mile many years ago.
13010 years ago