But for the team behind Curiosity，the six－wheeled NASA rover(探测器) that landed on Mars 17 days ago－mile－wide crater(陨石坑) and up a mountain at the center of the craterrs could have been habitable for life.

　　But that journey of miles started a few feet away from Bradbury Landing，where Curiosity set down on Aug.6，2017.The spot had been named for Ray Bradbury，the author of The Martian Chronicles and other influential science－fiction novels.He would have turned 92 on Wednesday.－up.On Mondayn Tuesday，it moved its four corner wheels in preparation for the drive.

　　“Everything has been going extremely well，” Mr.Theisinger said.So far，the only broken instrument has been a wind sensor that may have been damaged during the landing，NASA said.

　　During the next week，as more instruments are checked out，Curiosity is to head to its first destination，called Glenelg.At first，Curiosity will move only about 30 feet at a time.As its engineers gain experience，the drives will stretch to longer than the length of a football field.

　　Mr.Theisinger warned that the early successes did not ensure future ones.So far，the mission has accomplished only two of its primary goals：to launch on time and to land on Mars.“We've got a long way to go before this mission meets its full potential【语篇导读】　美国国家航空航天局发射的好奇号火星探测器在降落火星17天后首次试车迈出了火星探险的第一步。was not smooth.

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