Which of the following descriptions of interstellar dust is FALSE?
A) interstellar dust has a (tiny) rocky core surrounded by an ice mantle
B) interstellar dust must be roughly the size of the wavelength of visible light
C) interstellar dust must be made of some of the most common elements in the universe
D) interstellar dust must be at a temperature equal to the outer layers of a star
E) interstellar dust particles can sometimes be found in meteorites and can be identified
Section 20.4: Cosmic Rays
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