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The world in photos: Feb 20-26
chinadaily.com.cn | 2017-02-27 10:32
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This NASA photo shows Astronomer at the Space Telescope Science Institute in Baltimore Nikole Lewis as she presents research findings during a TRAPPIST-1 planets briefing, on February 22, 2017 at NASA Headquarters in Washington,DC. Researchers revealed the first known system of seven Earth-size planets around a single star called TRAPPIST-1. [Photo/VCG] |
