The last time that the Sun was in its current position in space around the Milky Way, dinosaurs ruled the Earth.
10
Mars had an oxygen-rich atmosphere around 4 billion years ago
13
From the nitrogen in our DNA, to the calcium in our teeth, the iron in our blood, to the carbon in our apple pies - all were made in the interiors of collapsing stars; we're all made of stardust.
22
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
Jupiter is bigger than all the other planets combined.
254
It would take more than 150 years to drive a car to the sun.
569
It takes a photon 170,000 years to travel from the core of the Sun to the surface, but only 8 minutes to travel the rest of the way to Earth.
6