The population of the Earth has more than doubled since 1950.
151
It 'snows' metal on Venus.
13
Lightning strikes about 6,000 times per minute on this planet!
158
All of the Earth's continents are wider at the north than in the south - and nobody knows why.
194
More than 20 million meteoroids enter Earth's atmosphere every day.
139
Jupiter's moon Ganymede, is larger than the planet Mercury!
149