基本解釋[天] 環(huán)狀星云英漢例句雙語例句The newly discovered example of a ring-shaped planetary nebula is about 15, 000 light-years distant.這個新發(fā)現(xiàn)的環(huán)形行星狀星云案例據(jù)我們約 15000 光年。This particular planetary nebula, pictured above and designated Shapley 1 after the famous astronomer Harlow Shapley, has a very apparent annular ring like structure.上圖中的行星狀星云叫做Shapley1 以著名天文學(xué)家Harlow Shapley的名字命名,它有非常明顯的環(huán)狀結(jié)構(gòu)。In particular, this planetary nebula exhibits a curious "S"-shaped profile, with a central bar that is most likely the projection of an inner ring of gas discharged by the star, seen edge on.尤其是這個星云形成了奇特的S型外觀,而位于中央的恒星很可能就是激發(fā)周圍氣體放電的那顆白矮星。www.astronomy.com.cnring nebula更多例句詞組短語短語Fine Ring Nebula 細指環(huán)星云ring nebula annular nebula 環(huán)狀星云Ring around Crab Nebula 蟹annular nebula ring nebula 環(huán)狀星云The Ring Nebula 環(huán)狀星云ring nebula更多詞組專業(yè)釋義天文學(xué)環(huán)狀星云物理學(xué)環(huán)狀星云