Physics, 07.10.2019 17:30, itscheesycheedar

Doppler shifted hydrogen absorption lines are seen in the spectrum of a star.
the hydrogen line at 656.28 nm is seen to be shifted to 656.08 nm.
how fast is the star moving (note: the speed of light is approximately 300,000 km/s, or 3 × 105
km/

a) about 1,000 km/s
b) about 1,000,000 km/s
c) about 100 km/s
d) about 10,000 km/s

Answers: 2

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Doppler shifted hydrogen absorption lines are seen in the spectrum of a star.
the hydrogen li...