The western portion of Sinus Meridiani was the landing site of the Mars rover Opportunity.

靠近火星赤道的子午湾陨坑为东西走向，它的西端就是“机遇”号火星探测器着陆的位置。

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After a long journey, the Mars rover Opportunity has arrived at Endeavour Crater, a giant indentation with some interesting geology.

历经长途奔波，火星探测器“机遇号”到达了“奋进”陨石坑——一个有着各种地质现象的大坑。

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Take the stunning image on the above, which shows the muffin-cup-like Victoria Crater, a site once explored by the Mars rover Opportunity.

就拿上面那幅令人震撼的照片来说，它所呈现的是形状像松饼杯一样的维多利亚火山口，“机会号”火星探测器曾经探索过这里。

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These observations contrast sharply with the findings of Mars rover Opportunity, which landed on a different part of Mars in 2004 and is still chugging along.

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"You take what Mars gives you, " said Squyres, also the lead scientist on the Mars Exploration Rover Mission, which includes Spirit and Opportunity.

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Before Curiosity, NASA's big rover project was the Mars Exploration Rover Mission: two golf-cart-sized rovers called Spirit and Opportunity.

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