A car traveling 100 mph would take more than 29 million years to reach the nearest star (to our solar system)
88
The heart of an astronaut actually gets smaller when in outer space.
216
Buzz Aldrin’s mother’s maiden name was Moon.
9
There are 5 to 10 times more stars in the known Universe than there are grains of sand on all the world's beaches, but a single grain of sand has more atoms than there are stars in the known Universe.
20
In the last 7 years, humanity has discovered 43 potentially habitable planets.
14
Mars had an oxygen-rich atmosphere around 4 billion years ago
13
Astronauts get taller when they are in space.
224