结果1 题目 1. What might happen after a star dies? A. The Earth might be hit by the star. B. Its gravity might totally disappear. C. The star might become a black hole. D. The sky might become much darker. 相关知识点: 试题来源: 解析 答案见上 反馈 收藏 ...
Imagine if the Earth were crushed until it was the size of a tiny marble. That’s how tightly this dead star, a black hole, is packed. What pulls the star in toward its center with such power It’s the same force that pulls you down when you jump--the force called gravity. A bla...
9.Why does the author ask the question "What will happen when the Sun dies?" ? A. To identify the most serious question concerning star death that scientists must address B. To introduce the topic that the rest of the passage will discuss ...
9.Why does the author ask the question "What will happen when the Sun dies?" ? To identify the most serious question concerning star death that scientists must address To introduce the topic that the rest of the passage will discuss
When a star dies, a huge number of neutrinos are emitted which are thought to drive the resultingsupernova explosion. The neutrinos flow freely through and out of the star before the explosion reaches the surface of the star. Scientists can then detect neutrinos before the supernova occurs, in...
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百度试题 结果1 题目Simply (simple) speaking, a black hole is what’s left after a large star dies.相关知识点: 试题来源: 解析 (develop) and test his sticker.反馈 收藏
The sun is no different, and when the sun dies, the Earth goes with it. But our planet won't go quietly into the night. Rather, when the sun expands into a red giant during the throes of death, it will vaporize the Earth. Perhaps not the story you were hoping for, but there's ...
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