The last time that the Sun was in its current position in space around the Milky Way, dinosaurs ruled the Earth.
10
Mars had an oxygen-rich atmosphere around 4 billion years ago
13
There are approximately 3,500 astronomers in the U.S. - but over 15,000 astrologers.
124
If aliens located 60-65 million light years away from us, looked at earth through a really powerful telescope today, they would see dinosaurs!
18
The temperature of the earth's interior increases by 1 degree every 60 feet down.
115
The Earth gets heavier each day by tons, as meteoric dust settles on it.
118
A lightning bolt generates temperatures five times hotter than those found at the sun's surface!
127
One pinhead of the sun's energy is enough to kill a person at a distance of 160 kilometers.
277