Earth and the other planets formed around this time.
The universe is 13.7 billion years old & Earth is 4.5 billion years old.
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.
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
The total cost of the Apollo program was approximately $25.4 billion, which was spread out over the span of 11 years from 1960 to 1973.
There are 12 months in a year, so there are 12 billion months in a billion years.
Approximately 13.8 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.
The universe is 13.7 billion years old & Earth is 4.5 billion years old.
Radioactivity
Scientist's aren't sure but about 4.5 billion years ago.
Earth did not exist 700 billion years ago, nor did the universe. Earth is about 4.6 billion years old.
Scientist thought the first cells were made about 3.6 billion years ago.
Scientists believe that eukaryotic cells, containing membrane-bound organelles and a nucleus, evolved about 1.5 billion years ago through a process known as endosymbiosis. This event led to the formation of more complex organisms and paved the way for the diversity of life we see today.
IT will burn out after 50 billion years!
it is 4.5 billion years old
13.798±0.037 billion years