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The coronas of galaxies
DOI: 10.1038/scientificamerican0882-54
Bibcode: 1982SciAm.247b..54D
Savage, B. D.; de Boer, K. S.
The instrumentation and results of observations of interstellar and intergalactic gases are reviewed, particularly for UV satellite data on the dynamics and composition of the galactic corona. Radio telescopes began the mapping of gas in the central galactic disk in the 1950's, using 21-cm readings to detect atomic hydrogen clouds 100,000 light ye…
1982
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Scientific American
IUE
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