The volume of the Earth's moon is the same as the volume of the Pacific Ocean.
178
The last time that the Sun was in its current position in space around the Milky Way, dinosaurs ruled the Earth.
10
Summer on Uranus lasts for 21 years.
358
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
Sound doesn't travel in space.
255
Jupiter is bigger than all the other planets combined.
254
Astronauts get taller when they are in space.
224
It takes eight and a half minutes for light to get from the sun to earth.
159