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By Jonathan Amos, BBC Science Correspondent China has launched its first rover mission to Mars.
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The first rover is an identical copy of Curiosity; it's even loaded with the exact same software.
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China has launched its first rover mission to Mars -Tianwen- 1 -whichwill take seven months to reach the Red Planet.
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It's after United Arab Emirate's Hope satellite was dispatched and China successfully launched its first rover mission to the Red Planet in previous weeks.
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The first rover was launched to Mars on top of a Delta II in 1996, followed by a set of twin rovers-Spiritand Opportunity-in2003.