An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82
Astronauts get taller when they are in space.
224
The heart of an astronaut actually gets smaller when in outer space.
216
An international team of astronomers has spotted the farthest known gravitational lens and, as Albert Einstein predicted, it is a galaxy that deflects and intensifies the light of a much further object.
9
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.
5
There are approximately 3,500 astronomers in the U.S. - but over 15,000 astrologers.
124
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
Any space vehicle must move at a rate of 7 miles per second in order to escape the earth's gravitational pull.
121