Which of the following observations does not inform astronomers about how the Solar System must have formed.
A) All known ages for Solar System bodies are 4.6 billion years or younger.
B) The Solar System is flat in structure.
C) The farther out planets take longer to complete an orbit about the Sun.
D) The inner four planets are small and rocky, while the outer four planets are large and gaseous.
Correct Answer:
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