ngc 1514 nébuleuse planétaire, Crystal ball nebula

ngc 1514 nébuleuse planétaire, Crystal ball nebula

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AAPOD2 du 03-01-2021

APOD Grag du 13-01-2021


NGC 1514 (aussi appelé la nébuleuse de la boule de crystal) est une nébuleuse planétaire située dans la constellation du Taureau. Elle a été découverte par l'astronome germano-britannique William Herschel en 1790.

It was discovered by William Herschel on November 13, 1790, describing it as "a most singular phaenomenon" and forcing him to rethink his ideas on the construction of the heavens. Up until this point Herschel was convinced that all nebulae consisted of masses of stars too remote to resolve, but now here was a single star "surrounded with a faintly luminous atmosphere." He concluded: "Our judgement I may venture to say, will be, that the nebulosity about the star is not of a starry natur

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