In the last 7 years, humanity has discovered 43 potentially habitable planets.
14
Neil Armstrong, the first man to step foot on the moon, carried with him a piece of cloth and wood from the original 1903 Wright Flyer.
12
A comet's tail always points away from the sun.
2
There are 5 to 10 times more stars in the known Universe than there are grains of sand on all the world's beaches, but a single grain of sand has more atoms than there are stars in the known Universe.
20
MDIF, a New York based non-profit organisation, is planning to beam free Wi-Fi to the entire world from space.
18
There is a mysterious and loud radio signal known as 'the space roar' that has yet to be explained.
15
There are more nerve cells in the human brain than there are stars in the Milky Way.
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