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
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
If two pieces of metal touch in space, they become permanently stuck together.
808
In the last 7 years, humanity has discovered 43 potentially habitable planets.
14
If NASA sent birds into space they would soon die; they need gravity to swallow.
146
An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82