There are two golf balls sitting on the moon.
721
Jupiter is bigger than all the other planets combined.
254
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
Jupiter has radio storms so strong that they can be picked up and heard by an AM radio.
16
The sun is 330,330 times larger than the earth!
190
The population of the Earth has more than doubled since 1950.
151