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火星生命

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Two Jet Propulsion Laboratory engineers stand with three vehicles, providing a size comparison of three generations of Mars rovers. Front and center left is the flight spare for the first Mars rover, Sojourner, which landed on Mars in 1997 as part of the Mars Pathfinder Project. On the left is a Mars Exploration Rover (MER) test vehicle that is a working sibling to Spirit and Opportunity, which landed on Mars in 2004. On the right is a test rover for the Mars Science Laboratory, which landed as Curiosity on Mars in 2012. Sojourner is 65 cm (26 in) long. The Mars Exploration Rovers (MER) are 1.6 m (5 ft 3 in) long. Curiosity on the right is 3 m (9.8 ft) long.

キュリオシティ火星の生命の痕跡を追うNASAの科学探査車

キュリオシティ火星探査車NASAゲールクレーター
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