lose matter, astronomers have concluded that the lifetimes of comets with orbits that bring them near enough to the Sun to be seen from Earth are very much shorter than the age of the solar system.Where do the new comets come from to replace the old ones that dissipate and vanish from ...
托福托福 63 - Structure and Composition of Comets 题目 收藏 6.According to paragraph 3, the tails of a comet A.flow in the same direction as the radiation that produces them B.become straighter as the comet moves away from the Sun
欢迎收听电子音频内容《TPO63Structure and Composition of Comets-2.第2,3题)》,你可以在线听书也可以下载喜马拉雅APP播放,想收听更多更优质的有声读物小说故事音乐作品,就来喜马拉雅!
这篇文章是TPO63第二篇文章,欢迎同学们来练习,建议做题时间:18分钟。 参考答案和视频讲解在最后。 参考答案 A(BD)DBD ADDAB BAD ADF 视频讲解
Comets that approach the Sun have finite lifetimes. Given the typical sizes of comets and the typical rates at which they lose matter, astronomers have concluded that the lifetimes of comets with orbits that bring them near enough to the Sun to be seen from Earth are very much shorter than ...
这篇文章是TPO63第二篇文章,欢迎同学们来练习,建议做题时间:18分钟。 参考答案和视频讲解在最后。 参考答案 A(BD)DBD ADDAB BAD ADF 视频讲解 杰哥托福阅读:线上阅读营创作之路:4年专注,不计投入,只为更好8 赞同 · 0 评论文章8 赞同 · 0 评论文章8 赞同 · 0 评论文章8 赞同 · 0 评论文章...
Since a comet loses matter on each pass by the Sun, eventually it will be depleted to the point where it is no longer visible. Comets that approach the Sun have finite lifetimes. Given the typical sizes of comets and the typical rates at which they lose matter, astronomers have concluded ...
托福托福 63 - Structure and Composition of Comets 题目 1234567891011121314 13.Look at the four squares[■]that indicate where the following sentence could be added to the passage. This streaking phenomenon is called a meteor or sometimes a falling star or shooting star. Where would the sentence ...
matter, astronomers have concluded that the lifetimes of comets with orbits that bring them near enough to the Sun to be seen from Earth are very much shorter than the age of the solar system. Where do the new comets come from to replace the old ones that dissipate and vanish from view?