繞冥 的英文怎麼說
中文拼音 [ràomíng]
繞冥
英文
stage of spasmodic cough-
Pluto ' s orbit around the sun is unusual
冥王星）圍繞太陽運轉的軌道是非同尋常。Not only is it unusally large ( 40 percent more massive than pluto ), but it orbits neptune backward, the only large moon to orbit in the opposite direction of its host planet ' s spin
它不僅有非同一般的大小（比冥王星還大40 % ） ，而且它還繞著海王星向後運轉，是唯一一顆運轉軌道方向與主行星相反的大衛星According to the new rules for a planet adopted at an international astronomical union meeting in prague, pluto doesn ' t make the grade for a planet : " a celestial body that is in orbit around the sun, has sufficient mass for its self - gravity to overcome rigid body forces so that it assumes a nearly round shape, and has cleared the neighborhood around its orbit. " pluto is automatically disqualified because its oblong orbit overlaps with neptune ' s
根據在布拉格舉行的國際天文聯合會會議通過的行星新定義，冥王星達不到行星的級別，即：在繞太陽的軌道上運轉的天體，體積足夠大使其自身的重力可以克服其剛體力呈近似圓球狀，且能夠清除其軌道附近的其他天體。In fact, pluto orbits in a 3 : 2 orbital resonance with neptune meaning that for every three complete orbits that neptune makes around the sun, pluto completes two
事實上，冥王星與海王星公轉周期有3 : 2的共振關系，即海王星每環繞太陽三周，冥王星便會環繞太陽兩周。分享友人