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Earth Rotation
Today’s Featured Links: Unusual NLC Event: https://www.sciencedirect.com/science… Length of Day: https://www.timeanddate.com/time/eart… ESA Length of Day: https://www.esa.int/Enabling_Support/… Born Again PNe: https://arxiv.org/pdf/2103.11503.pdf Algae: https://svs.gsfc.nasa.gov/13800