Sound doesn't travel in space.
255
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
The last time that the Sun was in its current position in space around the Milky Way, dinosaurs ruled the Earth.
10
There are more nerve cells in the human brain than there are stars in the Milky Way.
349
Summer on Uranus lasts for 21 years.
358
In the last 7 years, humanity has discovered 43 potentially habitable planets.
14
An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82