Jupiter is bigger than all the other planets combined.
254
The earth travels through space at 660,000 miles per hour.
189
There are approximately 3,500 astronomers in the U.S. - but over 15,000 astrologers.
124
A lightning bolt generates temperatures five times hotter than those found at the sun's surface!
127
More than 20 million meteoroids enter Earth's atmosphere every day.
139
The Earth gets 100 tons heavier every day due to falling space dust.
673
Some asteroids have other asteroids orbiting them.
131
The population of the Earth has more than doubled since 1950.
151