Jupiter's moon Ganymede, is larger than the planet Mercury!
149
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
Today's top fuel dragsters take off with more force than the space shuttle.
120
Sound doesn't travel in space.
255
Summer on Uranus lasts for 21 years.
358
A lightning bolt generates temperatures five times hotter than those found at the sun's surface!
127
A car traveling 100 mph would take more than 29 million years to reach the nearest star (to our solar system)
88
If you went out into space, you would explode before you suffocated because there's no air pressure.
149