Nebulosa Planetaria M27 ‘Dumbbell’

Nebulosa Planetaria M27 ‘Dumbbell’

Una nebulosa planetaria es una pequeña nebulosa de emisión formada por la envoltura de gas y plasma expulsada por una estrella similar al sol en sus últimos momentos de vida. Lo único que queda de la estrella progenitora es una enana blanca que ioniza el gas de la nebulosa y provoca que esta brille.

Esta fase en la muerte de una estrella no dura demasiado tiempo, por lo cual no hay una gran cantidad de nebulosas en el firmamento. Pasados 50 000 años, simplemente se disipan en el espacio.

Se estima la distancia a M27 es de unos 1000 años luz, lo cual implicaría unas dimensiones de entre 2 y 3 años luz para este objeto por lo que se trataría de una de las mayores nebulosas planetarias conocidas. La nebulosa tendría apenas 3000 a 4000 años de edad.

A la nebulosa la podemos encontrar en dirección de la constelación de Vulpecula ‘La zorra’.

Foto del autor.

Pedro Francisco Acosta Melo

182 comentarios en «Nebulosa Planetaria M27 ‘Dumbbell’»

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