More than 20 million meteoroids enter Earth's atmosphere every day.
139
The typical spec of dust that you see floating in the air is half way in size between the Earth and a subatomic particle.
131
There is a mysterious and loud radio signal known as 'the space roar' that has yet to be explained.
15
Mars had an oxygen-rich atmosphere around 4 billion years ago
13
A comet's tail always points away from the sun.
2
The earth rotates more slowly on its axis in March than in September.
145
If two pieces of metal touch in space, they become permanently stuck together.
808
The center of the galaxy tastes like raspberries and smells like rum, according to astronomers.
4