Archivo diario: domingo, 16 febrero, 2020

Image Credit: NASA, ESA, Hubble, Chandra; Processing & License: Judy SchmidtExplanation: To some, this huge nebula resembles a person’s head surrounded by a parka hood. In 1787, astronomer William Herschel discovered this unusual planetary nebula: NGC 2392. More recently, the … Seguir leyendo →