In ___ stars most of the electrons in the hydrogen atom are above level 2 and in ___ stars most of the electrons are below level 2, therefore the _____ are essentially absent in both types.
A) type M; type O; Balmer lines
B) type O; type M; Balmer lines
C) type A; type M; emission lines
D) type M; type A; absorption lines
E) type O; type A; emission lines
Correct Answer:
Verified
Q35: If a main sequence, giant, and a
Q36: Analysis of stellar spectra shows that most
Q37: The Balmer lines correspond to wavelengths in
Q38: The hydrogen absorption lines are the strongest
Q39: Lines from molecules are strongest in _
Q41: Yellow dwarfs have _ spectral lines than
Q42: Why do stars have dark lines in
Q43: Which of the following stellar spectral types
Q44: What distinguishes the spectral type of a
Q45: If a star exhibits no Doppler shift
Unlock this Answer For Free Now!
View this answer and more for free by performing one of the following actions
Scan the QR code to install the App and get 2 free unlocks
Unlock quizzes for free by uploading documents