The light hitting the earth right now is 30 thousand years old.
163
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
Sound doesn't travel in space.
255
The temperature of the earth's interior increases by 1 degree every 60 feet down.
115
The volume of the Earth's moon is the same as the volume of the Pacific Ocean.
178
In the last 7 years, humanity has discovered 43 potentially habitable planets.
14
Approximately 115 tons of ocean salt spray enters the earth's atmosphere each second.
100