Mars had an oxygen-rich atmosphere around 4 billion years ago
13
There are more nerve cells in the human brain than there are stars in the Milky Way.
349
There's a mysterious dwarf planet between Mars and Jupiter called 'Ceres' which has never been visited by spacecraft or photographed in detail, however, Earth-bound telescopes reveal a large bright shining spot on the surface of this planet, the origin and nature of which are unknown.
5
NASA invented baby food as we know it today.
7
Saturn's moon, Mimas, not only looks like the Death Star, it also has a Pac Man heat signature.
15
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 Space Shuttle main engine weighs 1/7th as much as a train engine but delivers as much horsepower as 39 locomotives.
147