Sound doesn't travel in space.
255
An organisation called Mars One is planning to establish a permanent colony of humans on Mars by 2023.
9
The last time that the Sun was in its current position in space around the Milky Way, dinosaurs ruled the Earth.
10
Tidal forces between the Earth and Moon are slowing the Earth down and pushing the Moon further away.
46
According to a study by the National Science Foundation, only half of Americans believe in evolution, and one in 4 don't know that the Earth orbits the Sun.
14
In 1859, the largest known geomagnetic storm struck the Caribbean, causing an aurora and telegraphs could even operate without a power source.
25