There are two golf balls sitting on the moon.
721
A lightning bolt generates temperatures five times hotter than those found at the sun's surface!
127
Jupiter is bigger than all the other planets combined.
254
Venus is the only planet that rotates clockwise.
310
More than 20 million meteoroids enter Earth's atmosphere every day.
139
Astronauts get taller when they are in space.
224
A comet's tail always points away from the sun.
2
All of the Earth's continents are wider at the north than in the south - and nobody knows why.
194