Given the harmful effects of light pollution, Aparna Venkatesan, a cosmologist at the University of San Francisco, and John Barentine, astronomer and science communicator at Dark Sky Consulting, have coined a new term to help focus efforts to combat it. Their term … is “noctalgia.” In general, it means “sky grief,” and it captures the collective pain we are experiencing as we continue to lose access to the night sky.
—from The loss of dark skies is so painful, astronomers coined a new term for it | Space [archive]