The typical spec of dust that you see floating in the air is half way in size between the Earth and a subatomic particle.
131
Venus is the only planet that rotates clockwise.
310
If two pieces of metal touch in space, they become permanently stuck together.
808
A comet's tail always points away from the sun.
2
If aliens located 60-65 million light years away from us, looked at earth through a really powerful telescope today, they would see dinosaurs!
18
Jupiter has radio storms so strong that they can be picked up and heard by an AM radio.
16