网页 图片 视频 学术 词典 地图 更多 long period comet 美 英 un.长周期彗星 英汉 网络释义 un. 1. 长周期彗星© 2025 Microsoft 隐私声明和 Cookie 法律声明 广告 帮助 反馈
long period comet 读音:美英 long period comet基本解释 长周期彗星 分词解释 long长的 period时期 comet[天]彗星 long period comet是什么意思 long period comet怎么读 long period comet在线翻译 long period comet中文意思 long period comet的解释 long period comet的发音 long period comet意思是什么 long ...
1) long period comet 长周期彗星2) periodic comet 周期彗星3) AGB LPVs AGB长周期变星4) comet [英]['kɔmɪt] [美]['kɑmət] 彗星 1. Applying the results obtained in this paper to the motion of comets,discuss the nongravitational effect on the orbit of some comets. 文中...
The devil comet may have been millions of miles away at its closest pass-by of Earth, but it and other comets can orbit close to our planet for a reason. First, it's helpful to understand where comets come from. Short-period comets, like 12P/Pons-Brooks, are icy celestial bodies that...
The long-period comets pose a unique problem for the impact hazard problem. Because of their very long orbital periods and generally large distances from the Sun, they cannot be surveyed and catalogued in the same manner as the near-Earth asteroids and short-period comets. They appear at ...
The origin of the Chicxulub impactor, which is attributed as the cause of the K/T mass extinction event, is an unsolved puzzle. The background impact rates of main-belt asteroids and long-period comets have been previously dismissed as being too low to e
The long-period comets pose a unique problem for the impact hazard problem. Because of their very long orbital period and generally large distances form the Sun, they cannot be surveyed and catalogued in the same manner as the near-Earth asteroids and short-period comets..Improved technologies ...
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Long-period comet Long-period comet Long-period comet Long-period fiber grating ▼Complete English Grammar Rules is now available in paperback and eBook formats. Make it yours today! Advertisement. Bad banner? Please let us know Remove AdsFace...
While the probability of a comet impact is low, the warning time for such an impact is also likely to be exceedingly short compared to an asteroid impact. Search programs are most likely to find asteroids orbiting near the ecliptic plane in slightly elliptical and predictable orbits, though high...