Please help! I need an answer ASAP, I will be marking brainliest.

When astronomers use an optical telescope to look at the center of our Milky Way galaxy, it is difficult to see through all the dust and gas. However, with the use of other waves in the electromagnetic spectrum they are able to pick up detail, such as protostars and remnants of supernovas. Which wave is used when studying temperature differences?


A) Radio Waves

B) Infrared Waves

C) Microwaves

D) Gamma Waves