Tidal forces between the Earth and Moon are slowing the Earth down and pushing the Moon further away.
46
In 1859, the largest known geomagnetic storm struck the Caribbean, causing an aurora and telegraphs could even operate without a power source.
25
Mars had an oxygen-rich atmosphere around 4 billion years ago
13
Sound doesn't travel in space.
255
An international team of astronomers has spotted the farthest known gravitational lens and, as Albert Einstein predicted, it is a galaxy that deflects and intensifies the light of a much further object.
9
If two pieces of metal touch in space, they become permanently stuck together.
808
In outer space there exists a gigantic cloud of alcohol which can be used to produce 400 trillion trillion pints of beer.
31