Explain why stars displaying spectral lines of molecules must be ...

[big1devin]

Explain why stars displaying spectral lines of molecules must be relatively cool.
 
  What will be an ideal response?

Question 2

Pluto is different from the Jovian planets in all of the following ways except which one?
 
  A) Its orbit is not very close to being circular.
  B) It formed outside of the frost line in the solar nebula.
  C) It has a solid surface.
  D) It is made mostly of ices.
  E) It doesn't have rings.

[dajones82]

Answer to Question 1

Molecules would break up into their constituent atoms in hotter stars.

Answer to Question 2

B

[big1devin]

Thanks for the timely response, appreciate it

[bimper21]

Gracias!