Professor of planetary science and physics at Massachusetts Institute of Technology, Cambridge, Sara Seager presents research findings during a TRAPPIST-1 planets briefing, Wednesday, Feb. 22, 2017 at NASA Headquarters in Washington. Researchers revealed the first known system of seven Earth-size planets around a single star called TRAPPIST-1. Photo Credit: (NASA/Bill Ingalls) Sara Seager during a TRAPPIST-1 planets briefing (1)

• Contributor: NASA Image Collection / Alamy Stock Photo
• Image ID: KRNBPK
• File size: 7.2 MB (230.7 KB Compressed download)
• Releases: Model - no | Property - no
• Dimensions: 1581 x 1581 px | 26.8 x 26.8 cm | 10.5 x 10.5 inches | 150dpi
• Date taken: 22 February 2017

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