In the last 7 years, humanity has discovered 43 potentially habitable planets.
14
The earth is .02 degrees hotter during a full moon.
157
An organisation called Mars One is planning to establish a permanent colony of humans on Mars by 2023.
9
All of the Earth's continents are wider at the north than in the south - and nobody knows why.
194
Mars had an oxygen-rich atmosphere around 4 billion years ago
13
There is a mysterious and loud radio signal known as 'the space roar' that has yet to be explained.
15
The Earth gets heavier each day by tons, as meteoric dust settles on it.
118
A 100-pound person on Earth would weigh 38 pounds on Mars.
102