Tác giả: M. A. Gordon

Text no 1 Radio Recombination Lines (RRLs), discovered in the USSR in 1964, have become a powerful research tool for astronomers. Available throughout the radio spectrum, these lines carry …

Recombination lines at radio wavelengths have been – and still are – a pow- erful tool for modern astronomy. For more than thirty years they have allowed astronomers to probe the gases from which …

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