该任务计划发现以前从未见过的目标，包括最冷的恒星、宇宙中最明亮的星系和一些最暗的近地小行星和彗星。
The mission is designed to uncover objects never seen before, including the coolest stars, the universe's most luminous galaxies and some of the darkest near-Earth asteroids and comets.
他们会：一个近地天体可能是出现在大约3000万英里的地球轨道内的任何小行星或彗星。
And they'll want to: an NEO is any asteroid or comet that will come within about 30 million miles of Earth's orbit.
它提供了NASA研究彗星，小行星和近地天体的任务的信息，也提供了有关这些天体的基本事实和最近的科学研究成果。
It provides information on NASA's missions to study comets, asteroids and near-Earth objects, and also provides the basic facts and the very latest in science and research on these objects.
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