Astronomy MCQ Astronomy Planetesimals known as _________ are composed of primitive material that astronomers believe is essentially unmodified since the origin of the Solar System almost 4.6 billion years ago.

Planetesimals known as _________ are composed of primitive material that astronomers believe is essentially unmodified since the origin of the Solar System almost 4.6 billion years ago.

Naim 22:22 Astronomy

Planetesimals known as _________ are composed of primitive material that astronomers believe is essentially unmodified since the origin of the Solar System almost 4.6 billion years ago.

A. C-type asteroids
B. S-type asteroids
C. M-type asteroids
D. G-type asteroids

Answer: A. C-type asteroids

Astronomy MCQ

Planetesimals known as _________ are composed of primitive material that astronomers believe is essentially unmodified since the origin of the Solar System almost 4.6 billion years ago.

Planetesimals known as _________ are composed of primitive material that astronomers believe is essentially unmodified since the origin of the Solar System almost 4.6 billion years ago.

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