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
The Earth weighs around 6,600,000,000,000,000,000,000 tons (5,940 billion billion metric tons)!
221
The population of the Earth has more than doubled since 1950.
151
Astronauts cannot burp in space.
232
Approximately 115 tons of ocean salt spray enters the earth's atmosphere each second.
100
Only 55% of Americans know that the sun is a star.
986
If you went out into space, you would explode before you suffocated because there's no air pressure.
149
