Dust appears dark in __________ wavelengths and bright in __________ wavelengths.
A) optical;ultraviolet
B) infrared;radio
C) radio;ultraviolet
D) optical;infrared
Correct Answer:
Verified
Q1: Dust reddens starlight because
A) it re-emits the
Q2: A protostar is usually in hydrostatic equilibrium
Q2: The coldest molecular clouds in our galaxy
Q4: The lowest-density gas in the interstellar medium
Q7: Dust that is heated to 30
Q10: When radiation from an object passes through
Q11: When a molecular cloud fragments and stars
Q12: Stars forming in molecular clouds tend to
Q13: When winds blow the gas away from
Q18: Herbig-Haro objects are almost always found in
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