In space, astronauts cannot cry properly, because there is no gravity, so the tears can't flow down their faces!
175
A 100-pound person on Earth would weigh 38 pounds on Mars.
102
A car traveling 100 mph would take more than 29 million years to reach the nearest star (to our solar system)
88
41% of the moon is not visible from earth at any time.
103
A lightning bolt generates temperatures five times hotter than those found at the sun's surface!
127
There are 5 to 10 times more stars in the known Universe than there are grains of sand on all the world's beaches, but a single grain of sand has more atoms than there are stars in the known Universe.
20
Buzz Aldrin’s mother’s maiden name was Moon.
9
One pinhead of the sun's energy is enough to kill a person at a distance of 160 kilometers.
277