RADIO ASTRONOMY IS:

Revealing the Invisible Universe

Radio waves are simply another band -- or range of color -- of light. While stars shine most brightly at optical wavelengths, they also shine across the spectrum, including radio waves. Other objects, like star-forming clouds, emit little to any visible light, though they shine brightly in radio light.

RADIO ASTRONOMY IS:

In the News!

Our cutting-edge telescopes are used to make new, radio discoveries every day, by penetrating through the dust and clouds of galaxies that obscures visible light.

RADIO ASTRONOMY IS:

Exploration

Interactively learn about our Universe, our telescopes, and the people who make it all possible.

Image of the Week:

Black Hole Fires Jet at Companion Galaxy

This composite image of the radio galaxy 3C321 shows the jet from a black hole at the center of the larger galaxy, to the lower left, striking the edge of a companion galaxy to the upper right, the first time such an interaction has been found. The image includes X-ray data from Chandra (colored purple), optical and ultraviolet (UV) data from Hubble (red and orange), and radio emission from the Very Large Array (VLA) and MERLIN (blue). A bright, blue spot in the VLA and MERLIN radio image shows where the jet has struck the side of the galaxy and dissipates some energy. The jet is disrupted and deflected by this impact with the companion galaxy.
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