Radio astronomy in Australia (1958)

By June 1st, 1958

An explanation of how a radio telescope works, and how two or more radio aerials may be linked together as an "interferometer" to pinpoint more precisely the area from which radio signals are coming.

An explanation of how a radio telescope works, and how two or more radio aerials may be linked together as an “interferometer” to pinpoint more precisely the area from which radio signals are coming.

Several interferometers constructed in Australia between 1946 and 1958 are shown, including the Mills Cross. Their contribution to man’s knowledge of radio stars, sunspots, and the extent of our own galaxy, is outlined.