Thursday, September 5, 2013

ScienceDaily: Galaxies News

ScienceDaily: Galaxies News


Bizarre alignment of planetary nebulae

Posted: 04 Sep 2013 06:32 AM PDT

The final stages of life for a star like our Sun result in the star blowing its outer layers out into the surrounding space, forming objects known as planetary nebulae in a wide range of beautiful and striking shapes. One type of such nebulae, known as bipolar planetary nebulae, create ghostly hourglass or butterfly shapes around their parent stars. A new study by astronomers now shows surprising similarities between some of these nebulae: many of them line up in the sky in the same way.

No comments:

Post a Comment