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Also, special interferometric techniques enable apparent angular sizes of some
stars and radio sources to be measured down to ... In optical astronomy the
brightness of the source is usually expressed in magnitudes. Originally (e.g., in ...
The turbulent Crab Nebula is a radio and X-ray source within the Galaxy, and the
nebula and the pulsar discovered in it in ... Discrete radio sources within the
Galaxy are (1) supernova remnants emitting synchrotron radiation, (2) H II
The postulated common saying source of Matthew and Luke, Q, would account
for much verbatim agreement of ... Since the 1930s, scholars have increasingly
refined sources, postulated sources behind sources, and many stages of their ...
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This is the 198215th Edition, in two halves, with the Macropaedia and the Micropaedia. First published in 1768, the publisher is the oldest English-language encyclopedia still in print. Two Scottish ... Read full review