Earth and the other planets formed around this time.
The universe is 13.7 billion years old & Earth is 4.5 billion years old.
about 4.5 billion years ago
The solar system is believed to have formed about 5 billion years ago, and by the way, why do you call it YOUR solar system? Do you come from a different solar system? Because if not, then it's OUR solar system.
it was actually form 4.6 billion years ago When The Big Bang Happened
WE do know that the Earth is 4.6 Billion years old, though how old the other planets are, we aren't quite as sure. the oldest planet is Jupiter scientifictly when the big explotion came it was the first planet to be formed
Approximately 13.8 billion years ago.
Scientist believe that prokaryotic cells evolved 1.5 billion years ago.
Scientists believe that chemical evolution occurred around 3.5 billion years ago.
[THEORY] Scientist believe that the sun will stop burning and turn into a black hole in 5 billion years.
Far or near, all galaxies were thought to be formed in the first half billion years of the formation of the universe ... that is, about 13 billion years ago. Note that we're seeing the distant ones in a younger stage of development.
The universe is 13.7 billion years old & Earth is 4.5 billion years old.
Scientist's aren't sure but about 4.5 billion years ago.
Radioactivity
Scientist thought the first cells were made about 3.6 billion years ago.
Earth did not exist 700 billion years ago, nor did the universe. Earth is about 4.6 billion years old.
IT will burn out after 50 billion years!
Scientist say the earth began around 4.5 billion years ago.