One of my key challenges is figuring out how best to detect, characterize, and map complex organic chemistry out there in the solar system to see if Europa’s ice-covered ocean is, in fact, inhabited.

我面临的一个重要挑战就是怎样找到探测、表示以及绘制太阳系复杂有机化学物质的最佳方法，来观察木卫二冰层下的海洋是否会有生命存在。

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One of my key challenges is figuring out how best to detect, characterize, and map complex organic chemistry out there in the solar system to see if Europa's ice-covered ocean is, in fact, inhabited.

我面临的一个重要挑战就是怎样找到探测、表示以及绘制太阳系复杂有机化学物质的最佳方法，来观察木卫二冰层下的海洋是否会有生命存在。

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But the discovery is significant in that it proves that chemistry involving oxygen occurs naturally elsewhere in our own solar system, and could be quite common outside of it as well.

但这个发现的重要意义在于，包括氧气产生在内的化学作用也发生在我们太阳系的其它地方。并且，这样的化学反应在太阳系以外也可能同样非常普遍。

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Since most objects in the asteroid belt are primitive, dating back to the beginnings of the solar system, the information they hold their chemistry, and the temperature and pressure under which they were created can be used to understand what conditions were like when the planets formed.

ECONOMIST: Eros

Their chemistry and composition offer direct evidence of the forces that shaped the creation of the solar system, experts said.

WSJ: Asteroid Vesta Gets a Close Study