Pluto is smaller than Russia.
9
Jupiter's magnetosphere is the largest single structure inside the Solar System. If you could see it with your eyes, it would appear larger than our full Moon.
8
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
If you were to cry in space, the tears would form a bubble in your eye until it's so big it moves to another spot on your face.
10
It would take more than 150 years to drive a car to the sun.
569
A 100-pound person on Earth would weigh 38 pounds on Mars.
102
The earth rotates more slowly on its axis in March than in September.
145
Tidal forces between the Earth and Moon are slowing the Earth down and pushing the Moon further away.
46