Today's top fuel dragsters take off with more force than the space shuttle.
120
More than 20 million meteoroids enter Earth's atmosphere every day.
139
If two pieces of metal touch in space, they become permanently stuck together.
808
Jupiter is bigger than all the other planets combined.
254
An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82
The Earth weighs around 6,600,000,000,000,000,000,000 tons (5,940 billion billion metric tons)!
221
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
A 100-pound person on Earth would weigh 38 pounds on Mars.
102