Learn About Radio Astronomy
Radio telescopes can see the invisible and hidden activities across the Universe and are the tools for solving some of the greatest mysteries of our Cosmos. Explore what radio telescopes have taught us so far.
New to radio astronomy? Get started by reading about the fundamentals.
Human eyes are built to collect and focus light that is bouncing off of the world around us. We call this light “visible light,” because, well, we can see it.
Stars and Exoworlds
Learn what radio astronomy reveals to us about stars and exoworlds.
As soon as it came online, ALMA began providing valuable information about extrasolar planetary systems at all stages of their evolution.
Different star types “live” and “die” in different ways based on how much matter they started with and if they were born with siblings nearby.
From the Earth, a pulsar looks like a star that has a pulse, a rapid beat picked up only by radio telescopes.
Our Solar System
Learn what radio astronomy reveals to us about our own solar system.
What are the current mysteries that radio astronomers are working to uncover?
To balance their speeds out to those distances from their massive central cores, the galaxies must be made of more stuff than just that which we can detect.
Learn what radio astronomy reveals to us about galaxies.
A galaxy is an island of stars floating on a plate of dark matter, or so the theory goes.
Explore the Milky Way Galaxy
The Milky Way Explorer a guided trip through our spiral Galaxy and its neighborhood. You choose where to explore, and a radio astronomer talks to you about each stop.
Explore the Very Large Array
See footage from central New Mexico where the National Radio Astronomy Observatory operates the world's most versatile radio telescope, the Karl G. Jansky Very Large Array. Here, we have put together a collection of exclusive video tours we call the VLA Explorer.