There are two golf balls sitting on the moon.
721
Mars had an oxygen-rich atmosphere around 4 billion years ago
13
Astronauts get taller when they are in space.
224
The sun is 330,330 times larger than the earth!
190
Jupiter has radio storms so strong that they can be picked up and heard by an AM radio.
16
Summer on Uranus lasts for 21 years.
358
The Earth gets 100 tons heavier every day due to falling space dust.
673