Any space vehicle must move at a rate of 7 miles per second in order to escape the earth's gravitational pull.
121
The earth travels through space at 660,000 miles per hour.
189
Scientists have confirmed that Enceladus, one of Saturn’s moons, has a watery ocean.
6
The Earth gets heavier each day by tons, as meteoric dust settles on it.
118
A lightning bolt generates temperatures five times hotter than those found at the sun's surface!
127
The sun is 330,330 times larger than the earth!
190
Saturn's rings are about 500,000 miles in circumference but only about a foot thick.
160
The volume of the Earth's moon is the same as the volume of the Pacific Ocean.
178