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
The population of the Earth has more than doubled since 1950.
151
There are two golf balls sitting on the moon.
721
Venus is the only planet that rotates clockwise.
310
Astronauts cannot burp in space.
232
Jupiter's moon Ganymede, is larger than the planet Mercury!
149


