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Radio and radar astronomyradar astronomy: Quick Facts

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Photos

Diagram showing a radio telescope system with a large parabolic dish collecting incoming radio waves, directing them to a feed horn and subreflector, with signals sent by cables to a receiver, amplifier, and computer for processing and recording.
VLA (Very Large Array) image of an interacting twin-jet radio galaxy. The two black dots (at the bottom centre) are each associated with one of the twin nuclei of a distant galaxy. The jets appear to interact and wrap around one another.
Very Large Array (VLA), National Radio Astronomy Observatory, Socorro, N.M. The VLA is a group of 27 bowl-shaped radio antennas. Each antenna is 25 metres (82 feet) across. When used together, they make one very powerful radio telescope.
Lovell Telescope
Crab Nebula
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Related Topics and References

Topics

Key People

Lovell, Sir Bernard
Sir Bernard Lovell
English radio astronomer
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Joseph H. Taylor, Jr.
American astronomer
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Vitaly Ginzburg
Russian physicist
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Allan Sandage
American astronomer
Sir Martin Ryle.
Sir Martin Ryle
British astronomer
Grote Reber.
Grote Reber
American astronomer
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Robert Hanbury Brown
British astronomer
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Robert Woodrow Wilson
American astronomer
Jansky, Karl
Karl Jansky
American engineer
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Antony Hewish
British physicist

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