Summer on Uranus lasts for 21 years.
358
Astronauts get taller when they are in space.
224
Jupiter has radio storms so strong that they can be picked up and heard by an AM radio.
16
The light hitting the earth right now is 30 thousand years old.
163
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
Venus is the only planet that rotates clockwise.
310
In space, astronauts cannot cry properly, because there is no gravity, so the tears can't flow down their faces!
175