当一颗小行星进入一个气体天体的大气层时，会留下不同的热度和化学影响。
And when an asteroid takes a nosedive into a gas giant's atmosphere, it leaves different thermal and chemical fingerprints to a comet impact.
“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。
"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.
这个独一无二的观测结果证明，哈勃和其它望远镜可以从其它一些天体的大气中进行化学构成的采样工作。
The unique observation demonstrates that Hubble and other telescopes can sample the chemical makeup of the atmospheres of alien worlds.
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