The average density of the interstellar medium is A) 1 atom/cm³. B) 1,000 atoms/cm³. C) 10⁴ atoms/cm³. D) 10⁶ atoms/cm³. E) 10¹² atoms/cm³.

Name: The average density of the interstellar medium is A) 1 atom/cm 3 . B) 1,000 atoms/cm 3 . C) 10 4 atoms/cm 3 . D) 10 6 atoms/cm 3 . E) 10 12 atoms/cm 3 .
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Quizplus · Accepted Answer

The average density of the interstellar medium is approximately 1 atom per cubic centimeter. This is a very low density compared to Earth's atmosphere.

The Average Density of the Interstellar Medium Is