If you wanted to observe heavy elements in the interstellar medium, where would be the best place to look?
A) dust grains
B) cold gas
C) hot gas
D) warm gas
E) the interiors of forming protostars.

Question

Quizplus · Accepted Answer

Dust grains are known to contain heavy elements, as they are formed from the condensation of metals and other heavy elements in the interstellar medium.

If You Wanted to Observe Heavy Elements in the Interstellar