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NASA is inviting the public to mark Voyager 1's one-light-day milestone with two events. On Tuesday, November 17, after sunset, the agency is asking people to join 'Shine Bright for Voyager's Light-Day' by creating a wave of golden light, including by flashing the mission call sign VGR in Morse code. On Thursday, November 19, at 12 p.m. EST, JPL will host a discussion about the status of Voyager 1 and 2 and the science the twin probes are still gathering in interstellar space.