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:

Inside the Atacama Array

ALMA is composed of 66 high-precision antennas. Fifty of these antennas are 12m antennas used for sensitive, high-resolution imaging. Shown here are several of the North American 12m antennas and towards the left is a Japanese 12m. These fifty 12m antennas are complemented by the Atacama Compact Array (ACA), also known as the Morita Array, composed of twelve closely spaced 7m antennas and four 12m antennas.
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