Jupiter's moon Ganymede, is larger than the planet Mercury!
149
A comet's tail always points away from the sun.
2
Today's top fuel dragsters take off with more force than the space shuttle.
120
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
The Earth gets 100 tons heavier every day due to falling space dust.
673
In the last 7 years, humanity has discovered 43 potentially habitable planets.
14
Neil Armstrong, the first man to step foot on the moon, carried with him a piece of cloth and wood from the original 1903 Wright Flyer.
12