-advertisement-
3%

Which of these is responsible for the glow inside a lightbulb?

Fact Lab

Check out this great content

Continue to play the quiz afterwards
-advertisement-

Interesting fact:

On some nights it looks as if the moon is about to collide with the earth. Of course, this is only an optical illusion, as the space in between the moon and the earth is actually big enough to accommodate even the largest planet in the solar system.