It 'snows' metal on Venus.
13
Any space vehicle must move at a rate of 7 miles per second in order to escape the earth's gravitational pull.
121
Tidal forces between the Earth and Moon are slowing the Earth down and pushing the Moon further away.
46
The earth rotates more slowly on its axis in March than in September.
145
In the last 7 years, humanity has discovered 43 potentially habitable planets.
14
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
Jupiter's moon Ganymede, is larger than the planet Mercury!
149
Lightning strikes about 6,000 times per minute on this planet!
158