As the comet nears the sun, its ice melts, releasing gas and dust that stream away into space.

当彗星靠近太阳时，它的冰层融化，释放的气体和尘埃飘向太空。

youdao

Deep Impact also found evidence of ice on the surface of the comet, not just inside it.

深度撞击项目组还发现了证据表明冰不仅仅存在于彗星内部，也存在于彗星表面。

youdao

Maybe, the researchers say, that's because the oceans have an extra dose of melted comet ice.

研究人员说，也许这是因为海洋有着彗星上的冰融化而来的水。

youdao

"At very low angles, we think that some water-ice from the comet would remain intact as a liquid puddle concentrated with organic molecules, ideal for the development of life, " Blank said.

BBC: Comets could have seeded life on Earth

The first is that the asteroid is really a ball of ice, like the nucleus of a comet, and that the minerals which the spectroscope detected are only a coating.

ECONOMIST: Asteroids

On the main side, the front side of our ice cube tray, if you will, we exposed that when we flew past the comet, so we caught the comet dust.

NPR: Stardust Set to Deliver Comet Samples