Lêer:Bipolar planetary nebula NGC 6537.jpg

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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.
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Bron http://www.eso.org/public/images/eso1338a/
Outeur ESO

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media type Engels

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checksum Engels

24157de5ab88eb2dd7fe7c60afd8d7ff49ce0ff2

data size Engels

434 250 greep

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790 pieksel

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847 pieksel

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huidig00:36, 5 September 2013Duimnaelskets vir weergawe vanaf 00:36, 5 September 2013847 × 790 (424 KG)JmencisomUser created page with UploadWizard

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