Question

question
select the correct answer.
which wavelengths are used to study star - forming regions?
ultraviolet
x - ray
gamma ray
infrared

Explanation:

Star - forming regions are often obscured by dust. Infrared wavelengths can penetrate this dust. Ultraviolet, X - ray, and gamma - ray wavelengths are either absorbed by the dust or not as effective in observing the cooler regions associated with star formation.

Answer:

infrared