early development of solar technologies started in the 1860s.
The best guess is that our solar system is about 8 billion years old.
Our solar system is thought by astronomers to be about four and a half billion years old.
Since the Solar System is thought to be about four and a half billion years old, and the galactic year calculated to be around 250 million years, the Solar System's age in terms of galactic or cosmic years would be roughly eighteen.
Our solar system is almost 5 billion years old.Our solar system is almost 5 billion years old.Our solar system is almost 5 billion years old.Our solar system is almost 5 billion years old.
about 6.2 million years old
No there is very good evidence the solar system is about 4,576.2 million years old.
He is a power hitter. He is 29 years old.
about 6.2 million years old
It is about 5 billion years old.
The solar system is believed to be 4,568 million years old.
The Solar System is about 4.6 billion years old.
The Solar System is believed to be around 4.6 billion years old.