Summer on Uranus lasts for 21 years.
358
Jupiter's moon Ganymede, is larger than the planet Mercury!
149
An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82
Jupiter has radio storms so strong that they can be picked up and heard by an AM radio.
16
Astronauts cannot burp in space.
232
Buzz Aldrin’s mother’s maiden name was Moon.
9
All of the Earth's continents are wider at the north than in the south - and nobody knows why.
194
A lightning bolt generates temperatures five times hotter than those found at the sun's surface!
127