Author Question: Hydrogen lines are weak in the spectra of hot stars because many of the hydrogen atoms have their ... (Read 234 times)

rlane42 · **on:** Jul 27, 2018

Hydrogen lines are weak in the spectra of hot stars because many of the hydrogen atoms have their electrons in levels above the second level.

a. True
b. False
Indicate whether the statement is true or false

Question 2

Neutron stars have densities roughly the same as that of the atomic nucleus.

a. True
b. False
Indicate whether the statement is true or false