The volume of the Earth's moon is the same as the volume of the Pacific Ocean.
178
Earth is the only planet in our solar system that's not named after a god or goddess.
17
In space, astronauts cannot cry properly, because there is no gravity, so the tears can't flow down their faces!
175
A car traveling 100 mph would take more than 29 million years to reach the nearest star (to our solar system)
88
Jupiter's moon Ganymede, is larger than the planet Mercury!
149
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
There is a mysterious and loud radio signal known as 'the space roar' that has yet to be explained.
15