things that make you feel small.

Cats Paw Nebula

Colliding Antenna Galaxies

Carina Nebula

"Pillars of Creation" in Eagle Nebula

Cone Nebula

Horsehead Nebula

NGC 6559

Rosette Nebula

beautiful.

(to learn more: http://www.nytimes.com/2010/01/05/science/05books.html)