photosphere

光球英释中释nthe visible surface of the sun, several hundred kilometres thick

1 The photosphere is the lowest layer of the sun's atmosphere, and emits the light we see..光球是太阳大气的最底层，我们看到的光线就是从它发出的。

2 After those zones comes the part of the star that radiates visible light, the photosphere, which is often referred to as the surface of the star..在这些区域之外，是恒星辐射可见光的部分，即光球层，一般被当作是恒星的表面。

3 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..一颗恒星其生命的绝大部分处于主序星阶段，在这一阶段它包含一个核心、辐射区和对流区、光球层、色球层和日冕。