The Sun and Moon appear to be the same size because the moon is 400 times smaller than the Sun, but 400 times closer to Earth.
13
MDIF, a New York based non-profit organisation, is planning to beam free Wi-Fi to the entire world from space.
18
In the last 7 years, humanity has discovered 43 potentially habitable planets.
14
It 'snows' metal on Venus.
13
Not only are there rogue planets floating through space completely alone, not orbiting any stars, but it’s possible that these pitch-black lonely planets support life.
14
A neutron star (what remains after a Super Nova) is so dense that a portion of it the size of a sugar cube would weigh as much as all of humanity, or more than all the cars in the United States.
5