If you went out into space, you would explode before you suffocated because there's no air pressure.
149
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 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
Pluto is smaller than Russia.
9
A 100-pound person on Earth would weigh 38 pounds on Mars.
102
There are approximately 3,500 astronomers in the U.S. - but over 15,000 astrologers.
124
The typical spec of dust that you see floating in the air is half way in size between the Earth and a subatomic particle.
131