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 ...
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...
When a star dies, it may end its life in one of two ways: as a supernova remnant or as a neutron star. Explore stellar death and rebirth, learn how to define a stellar remnant, and discover how explosions form neutron stars. Related...
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
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It is believed that when a person who has lived a pure and righteous life is nearing death, a mysterious, intricate structure of feathers forms inside the ill person's pillow. If a person's relatives discovered a death crown after a loved one's passing, it was seen as a sign that the...
When a star becomes a red giant it can wreak havoc on anything that happens to be orbiting it. The star balloons in size, swallowing up nearby planets as it grows in size before eventually collapsing in on itself in a colossal explosion. That big boom is what we’re seeing in the image...
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When Captain Douglas Conover and the crew of the vacuum airshipFavoniaembark on an exploratory mission through a dimensional barrier, they must confront the alien life-forms that infest a strange planetoid’s surface . . . and its interior!
Beethoven’s ‘Ode to Joy’ has become known as an anthem of both protest and peace. Its most famous moment in the spotlight was perhaps on Christmas Day in 1989, whenLeonard Bernsteinconducted a performance to mark the fall of the Berlin Wall, replacing the word ‘Freude’ (joy) with ‘...