In which part of the electromagnetic spectrum do interstellar dust grains emit the most light?
A) radio
B) infrared
C) visible
D) UV

Name: In which part of the electromagnetic spectrum do interstellar dust grains emit the most light? A) radio B) infrared C) visible D) UV
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Question

Quizplus · Accepted Answer

Interstellar dust grains are most efficient at emitting light in the infrared part of the electromagnetic spectrum. This is because they are heated by starlight to temperatures at which they radiate primarily in the infrared.

In Which Part of the Electromagnetic Spectrum Do Interstellar Dust