The Earth weighs around 6,600,000,000,000,000,000,000 tons (5,940 billion billion metric tons)!
221
A comet's tail always points away from the sun.
2
If two pieces of metal touch in space, they become permanently stuck together.
808
There is a mysterious and loud radio signal known as 'the space roar' that has yet to be explained.
15
The last time that the Sun was in its current position in space around the Milky Way, dinosaurs ruled the Earth.
10
Astronauts get taller when they are in space.
224
Sound doesn't travel in space.
255
Buzz Aldrin’s mother’s maiden name was Moon.
9