They used spectroscopy for their analysis: a technique that breaks the light from celestial objects into a spectrum with telltale emission lines indicating which elements are present.
在他们的研究中使用了光谱分析。 光谱分析原理是将天体光源通过光谱仪，通过光谱被减弱的程度，得出样品中元素含量。
Mark Robinson of Arizona State University, sifted through the data for telltale jumps in the ratio of ultra-violet to visible light.
亚利桑那州立大学的马克-罗宾逊，筛选了由紫外线和可见光的比率所得到的数据而得出这一结论（月球上存有钛矿）。
The water findings came through an analysis of the slight shifts in color after the impact, showing telltale signs of water molecules that had absorbed specific wavelengths of light.
水的发现结果来自在撞击之后对色谱颜色上微小改变的分析，它显示了令人信服的水分子存在的印记，即这些分子吸收了光波的特定波长。
应用推荐