Absorption lines in the spectra of supergiant stars are broader ...

[sammy]

Absorption lines in the spectra of supergiant stars are broader than the same spectral lines in main-sequence stars of the same spectral type.
 
  a. True
  b. False
  Indicate whether the statement is true or false

Question 2

What happens when a core's mass exceeds 3 solar masses and its density exceeds that which electron degeneracy pressure can support?
 
  a. The core collapses into a black hole. b. The core collapses into a neutron star.
  c. The core collapses into a white dwarf. d. The core collapses into a neutron star or a black hole.

[pangili4]

Answer to Question 1

False

Answer to Question 2

a

[sammy]

Great answer, keep it coming

[xiazhe]

Excellent