Mars had an oxygen-rich atmosphere around 4 billion years ago
13
A 100-pound person on Earth would weigh 38 pounds on Mars.
102
A car traveling 100 mph would take more than 29 million years to reach the nearest star (to our solar system)
88
Scientists have confirmed that Enceladus, one of Saturn’s moons, has a watery ocean.
6
A lightning bolt generates temperatures five times hotter than those found at the sun's surface!
127
There is a mysterious and loud radio signal known as 'the space roar' that has yet to be explained.
15
Not only are there rogue planets floating through space completely alone, not orbiting any stars, but it’s possible that these pitch-black lonely planets support life.
14
Sound doesn't travel in space.
255