Which of these atoms or ions produces the strongest absorption lines in the spectra of stars with the highest surface temperatures?
A) He II, ionized helium
B) Fe I, neutral iron
C) Ca II, singly ionized calcium
D) H I, neutral hydrogen
Correct Answer:
Verified
Q152: In the spectral classification scheme, what designation
Q153: Which two fundamental parameters are MOST often
Q154: The spectrum of a very distant source
Q155: Classifying stars by spectral type is the
Q156: The sequence of letters that is used
Q158: Which of these stellar classifications describes a
Q159: Stars of spectral type O, the hottest
Q160: A star shows weak hydrogen Balmer lines
Q161: The Hertzsprung-Russell diagram is a plot of
A)
Q162: Using Figures 12-7 and 12-8 from the
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