Physics, 16.04.2020 19:57, bee8367

The primary method astronomers use to measure oscillations on the surface of the Sun is by (a) comparing telescopic images. (b) magnetograms from measuring Zeeman splitting of spectral lines. (c) measuring the Doppler shift of absorption lines from the surface. (d) X ray and ultraviolet imaging by satellites. (e) sonic detection.

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The primary method astronomers use to measure oscillations on the surface of the Sun is by (a) compa...