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NASA's Solar Terrestrial Relations Observatory, or STEREO, is monitoring Comet ATLAS as it approaches the Sun. The latest movie from the STEREO-A spacecraft's Heliospheric Imager shows the comet moving in from the top side over a six-day period from May 25 to May. 31, 2020. The Sun sits outside the field of view of this camera, located to the left, off-screen, hinted at by the steady stream of particles, called the solar wind, moving in from the left