Biology Forums - Study Force

Science-Related Homework Help Astronomy Topic started by: john6969 on Oct 23, 2018



Title: Doppler shifted hydrogen absorption lines are seen in the spectrum of a star. The hydrogen line at ...
Post by: john6969 on Oct 23, 2018
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. Is the star moving towards or away from us, or can we not tell?
A) moving towards us
B) moving away from us
C) There is not enough information to determine the answer.


Title: Doppler shifted hydrogen absorption lines are seen in the spectrum of a star. The hydrogen line at ...
Post by: a_sabu2 on Oct 23, 2018
Content hidden