Because protostars are at a low temperature and surrounded by dust and gas, astronomers must observe them with ____________.
A) radar
B) ultraviolet telescopes
C) infrared and radio telescopes
D) gamma ray telescopes

Question

Quizplus · Accepted Answer

Infrared and radio telescopes are used to observe protostars because they can penetrate the dust and gas surrounding these objects, allowing astronomers to study them despite their low temperatures.

Because Protostars Are at a Low Temperature and Surrounded by Dust