Jupiter is bigger than all the other planets combined.
254
Earth is the only planet in our solar system that's not named after a god or goddess.
17
The Sun and Moon appear to be the same size because the moon is 400 times smaller than the Sun, but 400 times closer to Earth.
13
Venus is the only planet that rotates clockwise.
310
If two pieces of metal touch in space, they become permanently stuck together.
808
More than 20 million meteoroids enter Earth's atmosphere every day.
139
The moon is actually moving away from Earth at a rate of 1.5 inches per year.
236
The earth rotates more slowly on its axis in March than in September.
145