Actors Will Smith and Naomie Harris pose for photographers upon arrival at the premiere of the film Collateral Beauty in London on Dec. 15, 2016. Joel Ryan/Invision/AP hide caption

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Joel Ryan/Invision/AP

This simulated 3-D perspective view of Chasma Boreale, a canyon that reaches 570 kilometers (350 miles) into the north polar cap on Mars, was created from image data taken by NASA's Mars Odyssey spacecraft. NASA/JPL/Arizona State University, R. Luk hide caption

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NASA/JPL/Arizona State University, R. Luk