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MyCn18: La Nebulosa Reloj de Arena



Las arenas del tiempo están expirando para la estrella central de esta nebulosa planetaria con forma de reloj de arena.

Con su combustible nuclear agotado, esta breve y espectacular fase final en la vida de una estrella tipo Sol ocurre cuando sus capas externas son expulsadas – su núcleo se convierte en una fría y desvaneciente enana blanca. ...

Tags: mycn18; nebulosa

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Astronomy

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