There are more nerve cells in the human brain than there are stars in the Milky Way.
349
In 1859, the largest known geomagnetic storm struck the Caribbean, causing an aurora and telegraphs could even operate without a power source.
25
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
A comet's tail always points away from the sun.
2
The ashes of the man who discovered Pluto are currently en route to dwarf planet, scheduled to arrive on the 14th of July, 2015.
11
MDIF, a New York based non-profit organisation, is planning to beam free Wi-Fi to the entire world from space.
18