Summer on Uranus lasts for 21 years.
358
If two pieces of metal touch in space, they become permanently stuck together.
808
NASA invented baby food as we know it today.
7
There is a mysterious and loud radio signal known as 'the space roar' that has yet to be explained.
15
It would take more than 150 years to drive a car to the sun.
569
Jupiter is bigger than all the other planets combined.
254
There are more nerve cells in the human brain than there are stars in the Milky Way.
349