Distant cosmic objects such as planets, galaxies, and nebulae are sometimes referred to by the scientific community with unofficial nicknames. As the scientific community works to identify and address systemic discrimination and inequality in all aspects of the field, it has become clear that certain cosmic nicknames are not only insensitive, but can be actively harmful. NASA is examining its use of unofficial terminology for cosmic objects as part of its commitment to diversity, equity, and inclusion. As an initial step, NASA will no longer refer to planetary nebula NGC 2392, the glowing remains of a Sun-like star that is...