-
13-14 billion years ago the universe began.
-
Between 13-14 billion years ago a huge explosion occured and sent all of the iniverse's matter flying outward at a great speed
-
In the 1st billions of years matter in the universe clumped together
-
5 billion years ago our solar system began
-
The Sun began forming about 5 billion years ago
-
Earth owes their origin to a supernova event that occured billions of years ago
