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Published September 1969 | public
Journal Article

High-Resolution Observations of Radio Sources


Recent developments have greatly increased the angular resolution attainable in radio astronomy. The largest reflectors give a resolution of 2 to 3 min of are, close to that of the unaided human eye. Interplanetary scintillations and interferometry give 10^(-3) sec of arc and higher; this exceeds the resolution of Michelson's stellar interferometer by more than an order of magnitude, and is comparable to the highest resolution attained by the optical intensity interferometer (1).

Additional Information

© 1969 Annual Reviews. I am grateful to many colleagues for supplying results in advance of their publication, and for their helpful comments. This research was sponsored by the Air Force Office of Scientific Research, Office of Aerospace Research, grant AFOSR-69-1648.

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September 15, 2023
February 10, 2024