Answer: The Sun and the planets formed together, 4.6 billion years ago, from a cloud of gas and dust called the solar nebula. A shock wave from a nearby supernova explosion probably initiated the collapse of the solar nebula. The Sun formed in the center, and the planets formed in a thin disk orbiting around it.
Explanation: how were the planets in the solar system formed?
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Answer:
After a new medication or device has been studied successfully in ... Consider some sample questions to discuss during this lesson: ... Define medicalization and de-medicalization
