Mars had an oxygen-rich atmosphere around 4 billion years ago
There is a mysterious and loud radio signal known as 'the space roar' that has yet to be explained.
Jupiter has radio storms so strong that they can be picked up and heard by an AM radio.
There's a mysterious dwarf planet between Mars and Jupiter called 'Ceres' which has never been visited by spacecraft or photographed in detail, however, Earth-bound telescopes reveal a large bright shining spot on the surface of this planet, the origin and nature of which are unknown.
An organisation called Mars One is planning to establish a permanent colony of humans on Mars by 2023.
Jupiter's magnetosphere is the largest single structure inside the Solar System. If you could see it with your eyes, it would appear larger than our full Moon.
On Titan, Saturn's largest moon, the atmosphere is so thick and the gravity so low that humans could fly through it by flapping "wings" attached to their arms.
A comet's tail always points away from the sun.
The center of the galaxy tastes like raspberries and smells like rum, according to astronomers.
It 'snows' metal on Venus.
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.
The sun puts out more power in 1 second than mankind has ever used within human existence.
The last time that the Sun was in its current position in space around the Milky Way, dinosaurs ruled the Earth.
Pluto is smaller than Russia.
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.
In outer space there exists a gigantic cloud of alcohol which can be used to produce 400 trillion trillion pints of beer.
Tidal forces between the Earth and Moon are slowing the Earth down and pushing the Moon further away.
An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
Summer on Uranus lasts for 21 years.
If two pieces of metal touch in space, they become permanently stuck together.