Question: The Doppler Method for discovering exoplanets uses Question 44 options: a) the dimming of the light from the star as the planet passes directly in

The Doppler Method for discovering exoplanets uses Question 44 options: a) the dimming of the light from the star as the planet passes directly in front of it. b) the direct observation of the side-to-side motion of the star cause by a planet orbiting it. c) the shifting of emission or absorption lines in the spectrum of the planet to detect its orbital motion around the star. d) the shifting of emission or absorption lines in the spectrum of the host star to detect the influence of the planet on the star

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