Odyssey's spectrometer uncovered a region with huge quantities of hydrogen under the surface, indicated by the color blue.

奥德赛的分显示火上个地区的地表下存在大量的氢，是蓝色表示的区域。

While we’re observing these stars, we can use a spectrometer, the device that separates wavelengths, to reveal the star’s absorption spectrum and its elemental composition.

在观察这些恒时，我们可以使用分（种分离波长的设备）来揭示恒的吸收谱及其元素组成。