Планетарна маглина

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Планетарна маглина је емисиона маглина која се састоји од светлећег јонизованог гаса који се шири.[1] Име је добила због сличности са изгледом планета када се посматра кроз мањи телескоп, али нема никакве везе са планетама Сунчевог система.[2][3] Оне су релативно краткотрајан феномен, само неколико десетина хиљада година, у односу на типични стеларни животни век од неколико милијарди година.


  1. ^ Frankowski & Soker 2009, стр. 654-8
  2. ^ Kwok 2005, стр. 271-8
  3. ^ Hubblesite.org 1997


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