The sun is 330,330 times larger than the earth!
190
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
A lightning bolt generates temperatures five times hotter than those found at the sun's surface!
127
The typical spec of dust that you see floating in the air is half way in size between the Earth and a subatomic particle.
131
The population of the Earth has more than doubled since 1950.
151
Astronauts cannot burp in space.
232
