Using ultraviolet light, we can see the spectral signature of each component part of the pigment.

通过利用紫外光，我们可以看到颜料各个组成部分的光谱特征。

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"That light has imprinted on it the signature of chemicals in the atmosphere," said study leader Jacob Bean of the Harvard-Smithsonian Center for Astrophysics in Cambridge, Massachusetts.

“这光线具有该大气中所含有的化学物质的印记”雅各布。宾安说，他是位于马萨诸塞州剑桥的哈佛—索尼·史密斯天体物理研究中心的首席科学家。

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Now, the team has found the characteristic signature of light emitted by hydrogen peroxide, coming from part of the Rho Ophiuchi clouds.

现在，这一小组已经发现了来自于心宿增四星云的过氧化氢发射出的特有信号。

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Barcelona vice president Josep Maria Bartomeu revealed on Monday that Barca had planned to bring in Neymar next year only to have to move the deal forward in light of competition for his signature from Real Madrid and another unnamed club.

CNN: Neymar pledges to back Messi at Barcelona unveiling

To prepare for the show, exhibit curator Paul Martineau spent several months plowing through 1, 200 boxes of prints in a cold cinder-block room at the Herb Ritts Foundation in Hollywood, looking for shots with the L.A.-bred photographer's signature style: glowing California light, bold shadows, bare skin and film-noir settings.

WSJ: Herb Ritts at the Getty: Capturing the Soul of Fashion

His signature look is as much about darkness as light and a heavy, glowering darkness at that.

WSJ: Lighting Designer Al Gurdon: The Light Master of Super Bowl Halftime