The volume of the Earth's moon is the same as the volume of the Pacific Ocean.
178
A lightning bolt generates temperatures five times hotter than those found at the sun's surface!
127
Jupiter's moon Ganymede, is larger than the planet Mercury!
149
Jupiter has radio storms so strong that they can be picked up and heard by an AM radio.
16
The heart of an astronaut actually gets smaller when in outer space.
216
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
Any space vehicle must move at a rate of 7 miles per second in order to escape the earth's gravitational pull.
121
There's a mysterious dwarf planet between Mars and Jupiter called 'Ceres' which has never been visited by spacecraft or photographed in detail, however, Earth-bound telescopes reveal a large bright shining spot on the surface of this planet, the origin and nature of which are unknown.
5