The temperature of the earth's interior increases by 1 degree every 60 feet down.
115
A neutron star (what remains after a Super Nova) is so dense that a portion of it the size of a sugar cube would weigh as much as all of humanity, or more than all the cars in the United States.
5
Summer on Uranus lasts for 21 years.
358
A comet's tail always points away from the sun.
2
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 Sun and Moon appear to be the same size because the moon is 400 times smaller than the Sun, but 400 times closer to Earth.
13
The sun puts out more power in 1 second than mankind has ever used within human existence.
14
If you went out into space, you would explode before you suffocated because there's no air pressure.
149