Can u tell me an amazing uncommonly known fact?

Question

for example. the so-called stars u see in the sky are not in fact stars but is actually light appearing as bright points travelling from stars that are so far away that by the time u see the bright points of light ("stars") the stars that they originated form may have already died.

Answer 1

The light from the sun takes about 8 minutes to get to Earth.....
Butterflies tastes with their feet....
All polar bears are left handed....

Answer 2

The Earth is smoother than a snooker ball

Answer 3

You can't bite your elbow.