翻动 发表于 2025-4-1 03:05:28

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波动 发表于 2025-4-1 08:02:16

Antonio R. De Vera,Rosalie Arcala Halling Sun. As astronomers explored the Moon and planets with early telescopes, what impressed them was not the unusualness of lunar craters, which seemed to them rather like familiar volcanoes, but that the Moon and planets looked so similar in many ways to our own world. Over ensuing centuries, peopl

nugatory 发表于 2025-4-1 10:14:21

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chronology 发表于 2025-4-1 17:31:15

Water Policy in the Philippinestruck. There still remain unpopulated areas of our planet, and the explosive formation of even a 5-mile-wide crater in such a place (Western Australia, the Gobi Desert, the Sahara, or even central Nevada) would not dramatically affect most of the people in the world. On the other hand, such an impac

Engaging 发表于 2025-4-1 21:44:08

Physical Activity and Women’s Mental Healthis a tangible example of the effects of one such impact on the Earth. Surely this well-studied terrestrial catastrophe is not unique. Even if the Cretaceous—Tertiary event were the most recent major impact on the Earth, similar collisions with comets or asteroids, and perhaps some that were even mor

牙齿 发表于 2025-4-2 01:16:43

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老巫婆 发表于 2025-4-2 06:51:00

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深陷 发表于 2025-4-2 09:02:05

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查看完整版本: Titlebook: Cosmic Catastrophes; Clark R. Chapman,David Morrison Book 1989 Clark R. Chapman and David Morrison 1989 astronomy.catastrophe.physics