If two pieces of metal touch in space, they become permanently stuck together.
808
Jupiter has radio storms so strong that they can be picked up and heard by an AM radio.
16
A lightning bolt generates temperatures five times hotter than those found at the sun's surface!
127
Summer on Uranus lasts for 21 years.
358
Mars had an oxygen-rich atmosphere around 4 billion years ago
13
The Earth gets 100 tons heavier every day due to falling space dust.
673