Mars had an oxygen-rich atmosphere around 4 billion years ago
13
The population of the Earth has more than doubled since 1950.
151
Earth is the only planet in our solar system that's not named after a god or goddess.
17
Venus is the only planet that rotates clockwise.
310
It takes eight and a half minutes for light to get from the sun to earth.
159
The Earth gets 100 tons heavier every day due to falling space dust.
673
In the last 7 years, humanity has discovered 43 potentially habitable planets.
14
The sun is 330,330 times larger than the earth!
190