The astronomer gazed at the luminous star.

天文学家凝视着那颗发光的星星。

Young, massive, luminous stars blaze blue, tracing the spiral's form.

年轻的、巨大的、明亮的恒星发出蓝色的光芒，描绘着螺旋的形状。

Most spiral galaxies have disks that are a vibrant blue in color, the massive hot luminous stars dominating their emission.

大多数螺旋星系都有充满活力的蓝色圆盘，由大质量的炽热发光恒星控制着它们光芒的散射。

They were wearing large, red, luminous stars on their hats, all except Hagrid, who had his on the back of his moleskin vest.

他们帽子上都缀有闪光的大红星星，只有海格除外，他的红星在厚绒布背心的背后。

Some of these are massive, luminous stars, and give off so much ultraviolet light it erodes away at the surrounding nebula, in a process called photoevaporation.

其中一些是巨大而明亮的恒星，它们释放出大量的紫外光，被周围的星云侵蚀，这个过程叫做光蒸发。

This monster star is over 100 times more massive than our sun, and burns about four million times brighter, making it one of the most luminous stars in the Milky Way.

这个庞然大物比太阳重 100 多倍，亮度是太阳的 400 万倍，当之无愧地成为了银河系中最为璀璨的恒星之一。