File:Bipolar planetary nebula PN Hb 12.jpg
Bipolar_planetary_nebula_PN_Hb_12.jpg (595 × 541 pixels, file size: 86 KB, MIME type: image/jpeg)
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Summary
[edit]DescriptionBipolar planetary nebula PN Hb 12.jpg |
English: This image shows an example of a bipolar planetary nebula known as PN Hb 12 — popularly known as Hubble 12 — in the constellation of Cassiopeia. The striking shape of this nebula, 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 NASA/ESA Hubble Space Telescope and the NTT 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. PN Hb 12 was not part of the new study. A version of this image was entered into the Hubble's Hidden Treasures image processing competition by contestant Josh Barrington. |
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Source | http://www.spacetelescope.org/images/heic1316a/ |
Author |
NASA, ESA Acknowledgement: Josh Barrington |
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[edit]ESA/Hubble images, videos and web texts are released by the ESA under the Creative Commons Attribution 4.0 International license and may on a non-exclusive basis be reproduced without fee provided they are clearly and visibly credited. Detailed conditions are below; see the ESA copyright statement for full information. For images created by NASA or on the hubblesite.org website, or for ESA/Hubble images on the esahubble.org site before 2009, use the {{PD-Hubble}} tag.
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Credit/Provider | NASA, ESA Acknowledgement: Josh Barrington |
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Source | ESA/Hubble |
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Date and time of data generation | 15:00, 4 September 2013 |
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Contact information |
http://www.spacetelescope.org/ Karl-Schwarzschild-Strasse 2 Garching bei München, , D-85748 Germany |