Which of the following objects is most likely to be studied in infrared light?
A) A halo of hot,tenuous gas around a galaxy
B) Dust disks around stars
C) Radioactive elements in the debris cloud from a supernova explosion
D) Stars like our Sun

Question

Quizplus · Accepted Answer

Dust disks around stars are best studied in infrared light because the dust grains absorb the visible light from the star and re-emit it in the infrared. This allows astronomers to study the properties and composition of the dust in the disk.

Which of the Following Objects Is Most Likely to Be