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 light hitting the earth right now is 30 thousand years old.
163
Scientists have confirmed that Enceladus, one of Saturn’s moons, has a watery ocean.
6
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
One pinhead of the sun's energy is enough to kill a person at a distance of 160 kilometers.
277
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
If NASA sent birds into space they would soon die; they need gravity to swallow.
146
Mars had an oxygen-rich atmosphere around 4 billion years ago
13