Geography, 26.11.2021 21:00 dwebster9099
the following four graphs show the velocities, toward and away from earth, of four identical stars. assume that all four stars have extrasolar planets orbiting them at the same distance, and that the velocities are inferred by measuring doppler shifts in the spectra of the stars. rank the graphs from left to right based on the amount of orbital doppler shift observed in each star’s spectrum, from smallest to largest.
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the following four graphs show the velocities, toward and away from earth, of four identical stars....
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