The Earth weighs around 6,600,000,000,000,000,000,000 tons (5,940 billion billion metric tons)!
221
Approximately 115 tons of ocean salt spray enters the earth's atmosphere each second.
100
The heart of an astronaut actually gets smaller when in outer space.
216
The sun puts out more power in 1 second than mankind has ever used within human existence.
14
Pluto is smaller than Russia.
9
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's moon Ganymede, is larger than the planet Mercury!
149
There is a mysterious and loud radio signal known as 'the space roar' that has yet to be explained.
15