All of the Earth's continents are wider at the north than in the south - and nobody knows why.
194
There is a mass reservoir of water floating in space that is 100,000 times bigger than our sun and holds 140 trillion times more water than all of our oceans.
11
The Earth gets 100 tons heavier every day due to falling space dust.
673
More than 20 million meteoroids enter Earth's atmosphere every day.
139
The sun puts out more power in 1 second than mankind has ever used within human existence.
14
Sound doesn't travel in space.
255
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
An international team of astronomers has spotted the farthest known gravitational lens and, as Albert Einstein predicted, it is a galaxy that deflects and intensifies the light of a much further object.
9