Lightning strikes about 6,000 times per minute on this planet!
158
The earth rotates more slowly on its axis in March than in September.
145
Astronauts cannot burp in space.
232
The Sun and Moon appear to be the same size because the moon is 400 times smaller than the Sun, but 400 times closer to Earth.
13
Mars had an oxygen-rich atmosphere around 4 billion years ago
13
All of the Earth's continents are wider at the north than in the south - and nobody knows why.
194
