If aliens located 60-65 million light years away from us, looked at earth through a really powerful telescope today, they would see dinosaurs!
18
A 100-pound person on Earth would weigh 38 pounds on Mars.
102
The density of Saturn is so low that if you were to put it in a giant glass of water it would float.
219
If you were to cry in space, the tears would form a bubble in your eye until it's so big it moves to another spot on your face.
10
A car traveling 100 mph would take more than 29 million years to reach the nearest star (to our solar system)
88
In the last 7 years, humanity has discovered 43 potentially habitable planets.
14
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
All of the Earth's continents are wider at the north than in the south - and nobody knows why.
194