巨大的达尔文环形剧场 Darwin Amphitheatre
新西兰地处所谓的“太平洋火环”断裂带，这是一个巨大的环太平洋地震带。
New Zealand sits on the so-called Pacific Ring of Fire, a vast area of unpredictable seismic activity.
斯皮策望远镜上的红外线设备可以俘获环尘埃发出的热辐射，这个巨大的环内侧距离土星600万公里，向外一直扩展到1800万公里处。
Spitzer's IR instruments can capture the heat radiation put off by dust particles in the ring, which starts some 3.7 million miles from Saturn and extends outward another 7.4 million miles.
从远处看像一座巨大的拱门，它是一个连续的环，像一种方形面包圈。
Looking from a distance like a gigantic arch, it is a continuous loop, a kind of square doughnut.
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