As a young scientist, Tony del Genio of NASA's Goddard Institute for Space Studies in New York City met Clyde Tombaugh, the discoverer of Pluto. Left, an image of Earth from the DSCOVR-EPIC camera. Right, the same image degraded to a resolution of 3 x 3 pixels,  similar to what researchers will see in future exoplanet observations [Credit: NOAA/NASA, Stephen Kane]"I thought, 'Wow, this is a one-time opportunity,'" del Genio said....

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