|Neptune was the first planet to have its existence predicted by calculations before it was actually seen by a telescope.|
|Each day, up to 4 billion meteoroids fall to Earth.|
|Alan Shepard's longest golf shot on the lunar surface in 1971 only traveled about 50 feet.|
|There are an estimated 100 billion galaxies in the universe.|
|When the moon is directly overhead, we weigh slightly less.|
|Since the earth's rotation is slowing down, today is about 0.00000002 seconds longer than yesterday.|
|Mars' gravitational pull is only 37% that of Earth's - One would be able to jump about three times higher on Mars than on Earth.|
|Switzerland is planning to launch a 'janitor' satellite to collect 370,000 pieces of space junk.|
Space junk is an ongoing problem for the world's space administrations as decades worth of satellite launches and space missions have filled the Earth's orbit with trash such as fuel tanks, lost tools and parts of derelict satellites.
In order to combat this growing hazard and to avoid potentially devastating collisions, the Swiss Space Center at EPFL has launched CleanSpace One, a project to develop and build the first installment of satellites designed specifically to clean up space debris.
|Pluto will complete its first full orbit since its discovery on Monday, March 23rd 2178.|
|Russia is just a little bigger than Pluto. It is little over 17 million square kilometers, while the Solar System's smallest planet comes in at around 16.6 million.|