Galileo rocked the world when he turned his simple spyglass toward the sun and discovered sunspots. Since Galileo's time, studies of our star have revealed that Earth is in a very real sense, inside the sun.

Cassiopeia

Ear-catching modular programs bringing the space-age science of radio astronomy down to earth!  In celebration of its 50th Anniversary, the National Radio Astronomy Observatory brings you a series of brief insights into the fascinating world of deep space.  Tune into the Universe with Cosmic Radio!