Earth Series: How NASA Sees Our Blue Marble

NASA is an exploration agency, and one of our missions is to know our home. In the 1960s, NASA astronauts orbiting the Moon captured a revelatory view of Earth. Today, NASA explores our home planet with a fleet of dozens of spacecraft. In this episode–the first in a miniseries all about Earth–we take in the view from space with Karen St. Germain, the director of NASA’s Earth Science Division.