httpv://www.youtube.com/watch?v=b0lxbzgwW7I&NR=1
Try in some small way to fathom the size of the universe. And here’s the related size of planets and stars:
httpv://www.youtube.com/watch?v=HEheh1BH34Q
And it’s always a good time for a refresher to view Carl Sagan’s COSMOS:
httpv://www.youtube.com/watch?v=_3NAW1U-swc