File:The icy blue wings of Hen 2-437.jpg
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DescriptionThe icy blue wings of Hen 2-437.jpg |
English: In this cosmic snapshot, the spectacularly symmetrical wings of Hen 2-437 show up in a magnificent icy blue hue. Hen 2-437 is a planetary nebula, one of around 3000 such objects known to reside within the Milky Way.
Located within the faint northern constellation of Vulpecula (The Fox), Hen 2-437 was first identified in 1946 by Rudolph Minkowski, who later also discovered the famous and equally beautiful M2-9 (otherwise known as the Twin Jet Nebula). Hen 2-437 was added to a catalogue of planetary nebula over two decades later by astronomer and NASA astronaut Karl Gordon Henize. Planetary nebulae such as Hen 2-437 form when an aging low-mass star — such as the Sun — reaches the final stages of life. The star swells to become a red giant, before casting off its gaseous outer layers into space. The star itself then slowly shrinks to form a white dwarf, while the expelled gas is slowly compressed and pushed outwards by stellar winds. As shown by its remarkably beautiful appearance, Hen 2-437 is a bipolar nebula — the material ejected by the dying star has streamed out into space to create the two icy blue lobes pictured here. |
Date | |
Source | http://www.spacetelescope.org/images/potw1606a/ |
Author |
ESA/Hubble & NASA Acknowledgement: Judy Schmidt (Geckzilla) |
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Credit/Provider | ESA/Hubble & NASA Acknowledgement: Judy Schmidt (Geckzilla) |
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Source | ESA/Hubble |
Usage terms |
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Image title |
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Date and time of data generation | 06:00, 8 February 2016 |
Software used | Adobe Photoshop CC 2014 (Windows) |
Copyright status | Copyright status not set |
Unique ID of original document | xmp.did:cccc3be7-2613-314f-93fb-7b40ca6d666a |
Contact information |
http://www.spacetelescope.org/ Karl-Schwarzschild-Strasse 2 Garching bei München, , D-85748 Germany |
Keywords | Hen 2-437 |
IIM version | 4 |