There are 5 to 10 times more stars in the known Universe than there are grains of sand on all the world's beaches, but a single grain of sand has more atoms than there are stars in the known Universe.
20
The Space Shuttle main engine weighs 1/7th as much as a train engine but delivers as much horsepower as 39 locomotives.
147
In the last 7 years, humanity has discovered 43 potentially habitable planets.
14
The last time that the Sun was in its current position in space around the Milky Way, dinosaurs ruled the Earth.
10
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
Saturn's moon, Mimas, not only looks like the Death Star, it also has a Pac Man heat signature.
15
The light hitting the earth right now is 30 thousand years old.
163
Not only are there rogue planets floating through space completely alone, not orbiting any stars, but it’s possible that these pitch-black lonely planets support life.
14