Astronauts cannot burp in space.
232
The Earth gets heavier each day by tons, as meteoric dust settles on it.
118
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
Pluto is smaller than Russia.
9
The population of the Earth has more than doubled since 1950.
151
Buzz Aldrin’s mother’s maiden name was Moon.
9
If two pieces of metal touch in space, they become permanently stuck together.
808
Venus is the only planet that rotates clockwise.
310