The last time that the Sun was in its current position in space around the Milky Way, dinosaurs ruled the Earth.
10
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
Tidal forces between the Earth and Moon are slowing the Earth down and pushing the Moon further away.
46
The Earth gets heavier each day by tons, as meteoric dust settles on it.
118
An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82
A lightning bolt generates temperatures five times hotter than those found at the sun's surface!
127
The earth rotates more slowly on its axis in March than in September.
145
Astronauts get taller when they are in space.
224