Happy Birthday Hubble

On April 24, 1990, NASA launched the first of its kind telescope into outer space. Kelly Beatty of Sky and Telescope Magazine says the impact the Hubble has had on astronomy includes pictures of the earliest galaxies, giant black holes and proof Einstein's version of the Big Bang theory was right.

Audio: BBC, PRI & WBUR's Here & Now 4/22/10, Host: Robin Young. Photo: Hubble Space Telescope image of the chaotic Carina Nebula. (NASA/via AP)

The HubbleSite Picture Album provides an ever-changing slideshow of Hubble's finest and most popular photos.