The Earth weighs around 6,600,000,000,000,000,000,000 tons (5,940 billion billion metric tons)!
221
It would take more than 150 years to drive a car to the sun.
569
The volume of the Earth's moon is the same as the volume of the Pacific Ocean.
178
A comet's tail always points away from the sun.
2
There is a mysterious and loud radio signal known as 'the space roar' that has yet to be explained.
15
More than 20 million meteoroids enter Earth's atmosphere every day.
139
If two pieces of metal touch in space, they become permanently stuck together.
808
On Titan, Saturn's largest moon, the atmosphere is so thick and the gravity so low that humans could fly through it by flapping "wings" attached to their arms.
7