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Pictures of the year: Space

chinadaily.com.cn | Updated: 2018-12-25 06:50
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A cross-section of a thick sheet of underground ice is exposed at the steep slope that appears bright blue in this enhanced-color view of Mars from the High Resolution Imaging Science Experiment (HiRISE) camera on NASA's Mars Reconnaissance Orbiter in this image released on Jan 11, 2018. [Photo/Agencies]
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