The last time that the Sun was in its current position in space around the Milky Way, dinosaurs ruled the Earth.
10
Sound doesn't travel in space.
255
The center of the galaxy tastes like raspberries and smells like rum, according to astronomers.
4
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
There are approximately 3,500 astronomers in the U.S. - but over 15,000 astrologers.
124
In space, astronauts cannot cry properly, because there is no gravity, so the tears can't flow down their faces!
175
The Earth weighs around 6,600,000,000,000,000,000,000 tons (5,940 billion billion metric tons)!
221