Dr. Wendy Freedman, Chairman GMT, and Dr. Pat McCarthy, Director GMT, discuss the Giant Magellan Telescope's mirrors and the science that they will enable.

The Giant Magellan Telescope (GMT) is slated to be the first in a new class of extremely large telescopes, capable of producing images with 10 times the clarity of those captured by the Hubble Space Telescope. The GMT aims to discover Earth-like planets around nearby stars and the tiny distortions t...