File:Bipolar planetary nebula NGC 6537.jpg

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Description
English: This image shows an example of a bipolar planetary nebula known as NGC 6537 taken with the New Technology Telescope at ESO’s La Silla Observatory. The shape, reminiscent of a butterfly or an hourglass, was formed as a Sun-like star approached the end of its life and puffed its outer layers into the surrounding space. For bipolar nebulae, this material is funnelled towards the poles of the ageing star, creating the distinctive double-lobed structure.

Observations using the NTT and Hubble have found that bipolar planetary nebulae located towards the central bulge of our Milky Way appear to be strangely aligned in the sky — a surprising result given their varied and chaotic formation.

NGC 6537, which lies much closer to the Earth, was not part of the new study.
Date
Source http://www.eso.org/public/images/eso1338a/
Author ESO

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4 September 2013

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image/jpeg

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790 pixel

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current00:36, 5 September 2013Thumbnail for version as of 00:36, 5 September 2013847 × 790 (424 KB)JmencisomUser created page with UploadWizard
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