Astronauts get taller when they are in space.
224
It 'snows' metal on Venus.
13
A 100-pound person on Earth would weigh 38 pounds on Mars.
102
Jupiter's moon Ganymede, is larger than the planet Mercury!
149
Jupiter is bigger than all the other planets combined.
254
The sun is 330,330 times larger than the earth!
190
A lightning bolt generates temperatures five times hotter than those found at the sun's surface!
127
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