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The moon now a 'proving ground' for Mars

2019年 7月 18日 星期四 - 02:41

The United States is embarking on another mission to the moon, but unlike the Apollo program that put humans on its surface 50 years ago, NASA is gearing up for a long term presence that the agency says will eventually enable humans to reach Mars.

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The United States is embarking on another mission to the moon, but unlike the Apollo program that put humans on its surface 50 years ago, NASA is gearing up for a long term presence that the agency says will eventually enable humans to reach Mars.

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The moon now a 'proving ground' for Mars

2019年 7月 18日 星期四 - 02:41