Most street lights are made from one of two elements—mercury or sodium. Explain why astronomers prefer that cities use sodium street lights instead of mercury street lights.

Astronomers prefer that cities use sodium street lights because the emission spectrum of sodium produces fewer lines than the emission spectrum of mercury -ally

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batolisis batolisis · Answer 2 · 2021-11-04T11:56:04+01:00

Astronomers prefer the use of sodium street lights because ; The emission spectrum of mercury causes interference ( interferes with emission spectrum of astronomical bodies )

Mercury and sodium can be used for the lighting of street lights but the use of sodium is encouraged by astronomers because the emission spectrum produced by sodium is few and does not infer with the emission spectra produced by astronomical bodies under study by astronomers. while

The emission spectrum of mercury causes interference ( interferes with emission spectrum of astronomical bodies ).

Hence we can conclude that Astronomers prefer the use of sodium street lights because ; The emission spectrum of mercury causes interference ( interferes with emission spectrum of astronomical bodies )

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