Does that imply we are all extraterrestrials?

Actually, its not that simple. The BA (Bad Astronomer) provides and excellent explanation of this : Are we Aliens?

Good clip wildcat, and important link Oortcloud Thanks both

(The BA always keeps his feet on the ground while his eye's on the sky)

Even a fool knows you can't touch the stars, but it doesn't stop a wise man from trying.
Harry Anderson

thanks Oortcloud for the link, and syncopath for a wonderful reminder. as for me, I like the idea that one can be extraterrestrial to him or herself !

Gives new meaning to the expression, 'spaced out'