chromosphere

音標(biāo)發(fā)音

After that is the chromosphere, a layer that looks reddish because of all the hydrogen found there.
再之外是色球?qū)?，這一層由于存在的氫元素而略呈紅色。
Spicules, whose origins are somewhat mysterious, last just 100 seconds, rising from the chromosphere at speeds of 50 to 100 kilometers per second.
日冕的形成機(jī)制還不明確，爆發(fā)時(shí)能持續(xù)100秒，從色球?qū)右?0到100公里每秒的速度升起。
A star during most of its life is a main-sequence star, which consists of a core, radiative and convective zones, a photosphere, a chromosphere and a corona.
一顆恒星其生命的絕大部分處于主序星階段，在這一階段它包含一個(gè)核心、輻射區(qū)和對(duì)流區(qū)、光球?qū)印⑸驅(qū)雍腿彰帷?/li>

a gaseous layer of the sun's atmosphere extending from the photosphere to the corona and visible during a total eclipse of the sun