An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82
Summer on Uranus lasts for 21 years.
358
More than 20 million meteoroids enter Earth's atmosphere every day.
139
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
A comet's tail always points away from the sun.
2
In the last 7 years, humanity has discovered 43 potentially habitable planets.
14
The sun is 330,330 times larger than the earth!
190
The Space Shuttle main engine weighs 1/7th as much as a train engine but delivers as much horsepower as 39 locomotives.
147