那么找到它们：超新星1987a的环，爱斯基摩星云，蟹状星云，雷神的头盔，车轮星系，蚂蚁星云。
OK, then find, the rings of Supernova 1987a, the Eskimo Nebula, the Crab Nebula, Thor's Helmut, the Carhwheel Galaxy, and the Ant Nebula.
即使对于北欧的雷神也是十分巨大，索尔的头盔直径约30光年。
Heroically sized even for a Norse god, Thor's Helmet is about 30 light-years across.
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