Any space vehicle must move at a rate of 7 miles per second in order to escape the earth's gravitational pull.
121
Jupiter has radio storms so strong that they can be picked up and heard by an AM radio.
16
41% of the moon is not visible from earth at any time.
103
Jupiter's moon Ganymede, is larger than the planet Mercury!
149
The population of the Earth has more than doubled since 1950.
151
Buzz Aldrin’s mother’s maiden name was Moon.
9
The ashes of the man who discovered Pluto are currently en route to dwarf planet, scheduled to arrive on the 14th of July, 2015.
11
Summer on Uranus lasts for 21 years.
358