Astronauts cannot burp in space.
232
Mars had an oxygen-rich atmosphere around 4 billion years ago
13
It 'snows' metal on Venus.
13
The volume of the Earth's moon is the same as the volume of the Pacific Ocean.
178
Jupiter has radio storms so strong that they can be picked up and heard by an AM radio.
16
Lightning strikes about 6,000 times per minute on this planet!
158
The Space Shuttle main engine weighs 1/7th as much as a train engine but delivers as much horsepower as 39 locomotives.
147
More than 20 million meteoroids enter Earth's atmosphere every day.
139