But yeah, it's hard to get this concept across in a simple little lecture, so I like to show these amazing, world-view-defining videos. So, for tonight, enjoy:
Ascent, by Brian Eno: This amazing little piece of music that is accompanied with photos of the earth. Its 4 minutes really put me at ease and show me how small we really are.
Pale Blue Dot, by Carl Sagan: If you want to prove that we're a speck of dust out there in the universe, here you go: