Only 55% of Americans know that the sun is a star.
If two pieces of metal touch in space, they become permanently stuck together.
There are two golf balls sitting on the moon.
The Earth gets 100 tons heavier every day due to falling space dust.
Venus is the only planet that rotates clockwise.
One pinhead of the sun's energy is enough to kill a person at a distance of 160 kilometers.
Jupiter is bigger than all the other planets combined.
The moon is actually moving away from Earth at a rate of 1.5 inches per year.
Astronauts cannot burp in space.
The Earth weighs around 6,600,000,000,000,000,000,000 tons (5,940 billion billion metric tons)!
The density of Saturn is so low that if you were to put it in a giant glass of water it would float.
The heart of an astronaut actually gets smaller when in outer space.
All of the Earth's continents are wider at the north than in the south - and nobody knows why.
The sun is 330,330 times larger than the earth!
The earth travels through space at 660,000 miles per hour.
The volume of the Earth's moon is the same as the volume of the Pacific Ocean.