4 ms·
They use the Doppler shift of emission lines in the starlight to find exoplanets, due to a planet pulling its star around their mutual center. To the tune of me
by nick478016 4y ago
They use the Doppler shift of emission lines in the starlight to find exoplanets, due to a planet pulling its star around their mutual center. To the tune of measurement precision in the realm of 1 m/s! It's all pretty wild