Hubble's Colorful Candy-Striped Universe

One of the biggest leaps in astronomy made by the Hubble Space Telescope was something dreamed up long after it launched: Taking extremely long exposure images of a part of the sky unobscured by foreground junk (like stars, gas, and dust in our own galaxy) to see what could be seen. These images were called the Hubble Deep Fields, because they could see extraordinarily faint galaxies deep in the Universe. Since the first one was taken in 1995, there have been many others. Some looked at differen...