age of sun
回答: 科学是一个系统化的学问,要看整体,要有基本的知识! 先科普一下,再讨论. 由 ywhan 于 2022-07-06 18:06
The sun was born about 4.6 billion years ago. Many scientists think the sun and the rest of the solar system formed from a giant, rotating cloud of gas and dust known as the solar nebula. As the nebula collapsed because of its gravity, it spun faster and flattened into a disk. Most of the material was pulled toward the center to form the sun.https://www.space.com/58-the-sun-formation-facts-and-characteristics.html
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