An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82
The Space Shuttle main engine weighs 1/7th as much as a train engine but delivers as much horsepower as 39 locomotives.
147
The Earth gets 100 tons heavier every day due to falling space dust.
673
The center of the galaxy tastes like raspberries and smells like rum, according to astronomers.
4
Summer on Uranus lasts for 21 years.
358
More than 20 million meteoroids enter Earth's atmosphere every day.
139
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