他们还看了来自火星这红色或带红色的行星的陨石。
They also saw meteorites known to have come from the red, or reddish, planet.
三年前，NASA派出了茶几大小的“机遇号”火星车，在这颗红色星球的子午高原上缓缓行进执行探索任务，上周，它终于抵达奋进陨石坑。
Starting three years ago, NASA sent a coffee-table sized robot named Opportunity on a mission rolling across the red planet's Meridiani Planum to find out. Last week, it finally arrived.
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