Observing at a wide range of wavelengths, astronomers have detected more than ______ different molecules in the ISM.
A) 10
B) 20
C) 50
D) 100
E) 150

Name: Observing at a wide range of wavelengths, astronomers have detected more than ______ different molecules in the ISM. A) 10 B) 20 C) 50 D) 100 E) 150
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Astronomers have detected more than 150 different molecules in the interstellar medium (ISM) by observing at a wide range of wavelengths.

Observing at a Wide Range of Wavelengths, Astronomers Have Detected