Learn & Explore
Discover the invisible Universe and the world of radio astronomy. Tour our science and visitor centers. Browse our image, video, audio galleries. Join our programs; download our activities.
The heart of our galaxy, the Milky Way, is hidden from the view of optical telescopes. With radio telescopes, however, we can see superb details of the bubbles, arcs, and jets surrounding the black hole that lives there.
Explore Science & Technology...
...at the Green Bank Science Center in West Virginia and the Very Large Array Visitor Center in New Mexico!
 Green Bank Science Center |  Very Large Array Visitor Center |
The National Radio Astronomy Observatory is a facility of the National Science Foundation operated under cooperative agreement by Associated Universities, Inc.