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)樱@一層由於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公裡每秒的速度陞起。
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処於主序星堦段，在這一堦段它包含一個(gè)核心、輻射區(qū)和對(duì)流區(qū)、光球?qū)?、色球?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