Hubble 25: A Quarter-Century of Discovery with the Hubble Space Telescope

NASA has available for free download a terrific book of Hubble Space Telescope images in either epub or pdf format...

Hubble 25: A Quarter-Century of Discovery with the Hubble Space Telescope

There is also a Hubble 25 Documentary Video...

NASA also has an amazing online gallery of Hubble Images available for browsing...

This short video outlines the Hubble Deep Image Survey, and puts the scale of that first image into perspective. The point of space that the scientists observed is about the size of the end of a ballpoint pen, or about one 24-millionth of the whole sky. In that tiny speck is a huge number of galaxies and stars, proving that the universe is an incredibly crowded place...