By W. T. Sullivan
ISBN-10: 0521616026
ISBN-13: 9780521616027
Radio astronomy has revolutionized the process smooth astronomy. Marking the 50th anniversary of Jansky's discovery in 1933 of extraterrestrial radio emission, Professor Sullivan requested the various pioneers within the box to set down their models of occasions and the folks who made them. all the ranking of members seeks to offer an outstanding 'feeling' for the days to the nice majority of readers who do not have skilled them. Over one hundred fifty illustrations, generally historic images of fellows and machines, liven up a few of the reminiscences and reflections. The checklist of individuals contains a number of the key personalities and covers the entire significant laboratories and nations fascinated with radio astronomy ahead of 1960. as well as the radio astronomers themselves, there are contributions from optical astronomers and theorists heavily on the topic of the sector, in addition to historians of 20th century astronomy.
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Extra resources for The Early Years of Radio Astronomy: Reflections Fifty Years after Jansky's Discovery
Sample text
Inst. , 46, 13-15. Kestenbaum, R. (1965). Karl Jansky and radio astronomy. : Bell Telephone Labs (unpublished report). Radio noises from the galaxy. Phys. M. (1936). 209-10. The Changing Universe: The Story of the New Pfeiffer, J. (1956). Astronomy. New York: Random House. High-frequency atmospheric noise. Proc. Inst. K. (1931). , 19, 1731-65. C. (1956). Early history of radio astronomy. Sci. Monthly, 8^2, 55-66. T. (1934). Earth, Radio and the Stars. New York: McGraw Hill. , III (1978). A new look at Karl Jansky's original data.
Friis, Library of Congress ). 21. Reber constructed his antenna in 1937 and began observations in 1938. One other early, unsuccessful experiment was carried out in May 1935 by John H. DeWitt, a radio engineer working in Nashville, Tennessee. Using a hand-held yagi with reflector on a few nights, DeWitt was not able to detect any 300 MHz signals from the general direction of the Milky Way. S. Army team which in 1946 first bounced radar off the moon. 22. Fritz Zwicky (1969) wrote that he also was part of this group seeking funds for an antenna; he remembered the requested amount as $200, while Potapenko recalled $1000 (interview, 1975).
My thought was to put a rhombic antenna on top of the 61 inch telescope dome [at Harvard's Oak Ridge station] . Then one would have a rotating antenna that could look for sources. but it was just too hard to get going on it, and I didn't really make a serious attempt to bring in the electronics people at Harvard — the physics not have. L. Whipple interview, 1979] General reaction of astronomers f If Jansky s work on star noise did not excite physicists or fellow engineers, then perhaps it might have fallen to the astronomers of the 1930s to investigate this new phenomenon electromagnetic spectrum by a factor of a million.
The Early Years of Radio Astronomy: Reflections Fifty Years after Jansky's Discovery by W. T. Sullivan
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