Pluto is smaller than Russia.
9
The earth travels through space at 660,000 miles per hour.
189
Astronauts cannot burp in space.
232
Tidal forces between the Earth and Moon are slowing the Earth down and pushing the Moon further away.
46
A lightning bolt generates temperatures five times hotter than those found at the sun's surface!
127
The Space Shuttle main engine weighs 1/7th as much as a train engine but delivers as much horsepower as 39 locomotives.
147
One pinhead of the sun's energy is enough to kill a person at a distance of 160 kilometers.
277