Our Sun orbits the center of the Milky Way and one galactic year is about 250 million years. Since dinosaurs first appeared about 243 and 233 million years ago, they basically lived on the other side of the galaxy [Science Time: ]

发布时间: 2023-08-14 22:11:21

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Our Sun orbits the center of the Milky Way and one galactic year is about 250 million years.

Since dinosaurs first appeared about 243 and 233 million years ago, they basically lived on the other side of the galaxy

[Science Time: ]
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1年前由 Massimo 提交

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One journey of the Sun and its planets around the center of our Milky Way galaxy is sometimes called a galactic year, which lasts approximately 225 to 250 million terrestrial years. The Solar System formed about 20 (galactic) years ago

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