Some asteroids have other asteroids orbiting them.
131
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
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 earth travels through space at 660,000 miles per hour.
189
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

