Astronomy/Physics question.?

J

jemano3489

New member
Suppose you want to determine the chemical composition of a distant planet or star. Which of the following will be most useful to have?

A. radio telescope.
B. High turbulence.
C. High spectral resolution.
D. High angular resolution.
 
C. High spectral resolution

Different elements absorb and reflect electromagnetic radiation at different wavelengths, so by studying the spectrograph of a star, you can determine its elements.
 
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