類冥天體 的英文怎麼說
中文拼音 [lèimíngtiāntǐ]
類冥天體
英文
plutino-
The gravitation field of star b bends the light from star a as a convex lens does and we can observe a sudden brightening of star a. much brighter than the total brightness of star a and b. this phenomenon is called microlensing
根據國際天文學聯會international astronomical union於2006年8月24日通過的行星定義,冥王星的行星資格被取消,並被界定為一類稱為矮行星的新天體。Pluto together with ceres an asteroid and eris a kuiper belt object are dwarf planets
冥王星連同穀神星小行星和厄里斯柯伊伯帶天體則歸類為矮行星。The iau further resolves that pluto is a dwarf planet by the above definition and is recognized as the prototype of a new category of trans - neptunian objects
根據上述的定義,國際天文聯會進一步決定將冥王星撥歸為矮行星,並成為其中一類海王星外天體的原型。
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