File:Crab Nebula.jpg
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[modifitgar]DescripziunCrab Nebula.jpg |
English: This is a mosaic image, one of the largest ever taken by NASA's Hubble Space Telescope, of the Crab Nebula, a six-light-year-wide expanding remnant of a star's supernova explosion. Japanese and Chinese astronomers recorded this violent event in 1054 CE.
The orange filaments are the tattered remains of the star and consist mostly of hydrogen. The rapidly spinning neutron star embedded in the center of the nebula is the dynamo powering the nebula's eerie interior bluish glow. The blue light comes from electrons whirling at nearly the speed of light around magnetic field lines from the neutron star. The neutron star, like a lighthouse, ejects twin beams of radiation that appear to pulse 30 times a second due to the neutron star's rotation. A neutron star is the crushed ultra-dense core of the exploded star. The Crab Nebula derived its name from its appearance in a drawing made by Irish astronomer Lord Rosse in 1844, using a 36-inch telescope. When viewed by Hubble, as well as by large ground-based telescopes such as the European Southern Observatory's Very Large Telescope, the Crab Nebula takes on a more detailed appearance that yields clues into the spectacular demise of a star, 6,500 light-years away. The newly composed image was assembled from 24 individual Wide Field and Planetary Camera 2 exposures taken in October 1999, January 2000, and December 2000. The colors in the image indicate the different elements that were expelled during the explosion. Blue in the filaments in the outer part of the nebula represents neutral oxygen, green is singly-ionized sulfur, and red indicates doubly-ionized oxygen.Français : Cette image, une des plus grandes de la Nébuleuse du Crabe jamais prises par le télescope spatial Hubble de la NASA, est en réalité une mosaïque de plusieurs clichés. La nébuleuse s'étend sur une distance de six années-lumière et est composée des restes de l'explosion d'une supernova. Les astronomes chinois et japonais ont observé cette violente explosion il y a environ un millénaire, en 1054.
Les filaments oranges sont les restes en lambeaux de l'étoile et se composent principalement d'hydrogène. L'étoile à neutrons qui tourne rapidement sur elle-même, intégrée dans le centre de la nébuleuse, est la dynamo alimentant l'intérieur de la nébuleuse de l'étrange lueur bleuâtre. La lumière bleue provient des électrons tourbillonnant presque à la vitesse de la lumière autour de lignes du champ magnétique de l'étoile à neutrons. L'étoile à neutrons, comme un phare, émet des faisceaux de rayonnements jumeaux qui semblent battre 30 fois par seconde en raison de la rotation de l'étoile à neutrons. Une étoile à neutrons est le noyau écrasé ultra-dense de l'étoile qui a explosé. L'image est formée de l'assemblage de 24 prises individuelles de la Wide Field and Planetary Camera 2 datant d'octobre 1999, janvier 2000 et décembre 2000. Les couleurs de l'image indiquent les différents éléments qui ont été expulsé lors de l'explosion. Le bleu dans les filaments de la partie extérieure de la nébuleuse représente l'oxygène neutre, le vert est le souffre ionisé I, et le rouge indique l'oxygène ionisé II.العربية: هذه الصورة المركبة, هي واحدة من أكبر الصور على الإطلاق التي التقطها تلسكوب هبل لسديم السرطان, وهو بقايا مستعر أعظم تمتد على مساحة قطرها 6 سنوات ضوئية. قام الفلكيون القدماء العرب والصينيون بتسجيل هذا الحدث قبل 1,000 عام في سنة 1054م, كما فعل ذلك البحارة الأمريكيون (بالرغم من أنه ليس من المؤكد تماماً أن ما سجلوه هو هذا).
الخيوط البرتقالية الظاهرة في الصورة هي أشلاء وشظايا متبقّية من النجم الذي انفجر (وكوّن السديم) وهي تتركب بشكل رئيسي من الهيدروجين. النجم النيوتروني سريع "الدوران المحوري" المتواري في وسط السديم يَعمل كمولد طاقة يُسبب البريق المُزرقّ الغريب المُشع من وسط السديم. وهذا الضوء الأزرق قادم من إلكترونات تدور بما يُقارب سرعة الضوء حول الحقل المغناطيسي للنجم النيوتروني. النجم النيوتروني, مثل المنارة, يُطلق شعاعين من الضوء في اتجاهين مختلفين يَجعلناه يبدو كأنه ينبض 30 مرة في الثانية نتيجة لدورانه المحوري السريع (النجوم النيوترونية تُتم بضعة دورات حول نفسها في الثانية على الأقل). والنجم النيوتروني هو نواة مسحوقة شديدة الكثافة لنجم انفجر. هذه الصورة المركبة رُكّبت من 24 صورة بعضها التطقت في تشرين الأول (أكتوبر) 1999, وكانون الثاني (يناير) 2000, وكانون الأول (ديسمبر) 2000. الألوان في الصورة تدل على عناصر مختلفة قذفت أثناء الانفجار. اللون الأزرق في الشعيرات في الجزء الخارجي من السديم هو لأكسجين طبيعي, والأخضر لكبريت متأين فردياً, والأحمر لأكسجين متأين. |
Data | |
Funtauna | HubbleSite: gallery, release. |
Autur | NASA, ESA, J. Hester and A. Loll (Arizona State University) |
permissiun (Weiternutzung dieser Datei) |
Material credited to STScI on this site was created, authored, and/or prepared for NASA under Contract NAS5-26555. Unless otherwise specifically stated, no claim to copyright is being asserted by STScI and it may be freely used as in the public domain in accordance with NASA's contract. However, it is requested that in any subsequent use of this work NASA and STScI be given appropriate acknowledgement. STScI further requests voluntary reporting of all use, derivative creation, and other alteration of this work. Such reporting should be sent to copyright@stsci.edu. |
Andere Versionen | https://www.flickr.com/photos/gsfc/4398655649/ and https://www.flickr.com/photos/nasahubble/27747556420/ |
Licenza
[modifitgar]Public domainPublic domainfalsefalse |
This file is in the public domain because it was created by NASA and ESA. NASA Hubble material (and ESA Hubble material prior to 2009) is copyright-free and may be freely used as in the public domain without fee, on the condition that only NASA, STScI, and/or ESA is credited as the source of the material. This license does not apply if ESA material created after 2008 or source material from other organizations is in use. The material was created for NASA by Space Telescope Science Institute under Contract NAS5-26555, or for ESA by the Hubble European Space Agency Information Centre. Copyright statement at hubblesite.org or 2008 copyright statement at spacetelescope.org. For material created by the European Space Agency on the spacetelescope.org site since 2009, use the {{ESA-Hubble}} tag. |
Distincziuns
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This image was selected as picture of the day on Vietnamese Wikipedia.
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Annotations InfoField | This image is annotated: View the annotations at Commons |
Istorgia da las versiuns
Clicca sin ina data/temps per vesair la versiun da lura.
data/temp | Maletg da prevista | dimensiuns | Utilisader | commentari | |
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actual | 14:56, 25. nov 2012 | 3.864 × 3.864 (13,84 MB) | Hawky.diddiz (Discussiun | contribuziuns) | Lossless optimization | |
10:13, 17. matg 2012 | 3.864 × 3.864 (14,61 MB) | Metrónomo (Discussiun | contribuziuns) | Higher quality | ||
09:31, 20. zercl 2009 | 3.864 × 3.864 (6,18 MB) | Tryphon (Discussiun | contribuziuns) | Higher resolution. | ||
21:26, 9. mars 2006 | 2.224 × 2.212 (3,08 MB) | Stianbh (Discussiun | contribuziuns) | larger version | ||
00:35, 16. schan 2006 | 400 × 400 (23 KB) | DragonFire1024 (Discussiun | contribuziuns) | Image: A New View of the Helix Nebula Source: http://hubblesite.org/gallery/album/entire_collection/pr2004032d/ Copyright Notice: Material credited to STScI on this site was created, authored, and/or prepared for NASA under Contract NAS5-26555. Unless |
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- File:A Giant Hubble Mosaic of the Crab Nebula (27747556420).jpg (renviament da datotecas)
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- 1054
- Wikipedia:Uitgesoekte herdenkings/22 April
- Wikipedia:Uitgesoekte herdenkings/Julie
- Wikipedia:Uitgesoekte herdenkings/April
- Wikipedia:Uitgesoekte herdenkings/4 Julie
- Supernova
- Ster
- Wikipedia:Beeld van die week/2012
- Wikipedia:Voorbladbeeld week 2 2012
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- Veranderlike ster
- Lys van Messier-voorwerpe
- Krap-newel
- Portaal:Sterrekunde/Inleiding
- Portaal:Sterrekunde
- Hemelliggaam
- SN 1054
- Supernova-oorblyfsel
- Sterevolusie
- Utilisaziun sin als.wikipedia.org
- Utilisaziun sin am.wikipedia.org
- Utilisaziun sin anp.wikipedia.org
- Utilisaziun sin ar.wikipedia.org
- مجرة
- نجم
- سنة
- تطور النجوم
- ثلاثي الكربون
- فجر
- مستعر أعظم
- بوابة:علم الفلك/مقالة مختارة
- شهاب
- مطلع مستقيم
- جمعية منسا الدولية
- علم الفلك خارج المجري
- عنقود نجمي
- فيلا (أقمار اصطناعية)
- الشلياق
- خرزات بيلي
- راية الأرض
- سمت
- نظرية الحالة الثابتة
- توهج القمر الصناعي
- بوابة:الفيزياء/بوابات ذات علاقة
- الظهر
- اقتران (علم الفلك)
- علم الهيئة
- مقراب راديوي
- غسق
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Questa datoteca cuntegna infurmaziuns supplementaras, probablamain agiuntadas da la camera digitala u dal scanner utilisà per crear digitalisar ella.
Sche la datoteca è vegnida midada dal status original èn tscherts detagls eventualmain betg pli corrects.
Ladezza | 3.864 px |
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Autezza | 3.864 px |
Bits per cumponenta da colur |
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Tip da cumpressiun | LZW |
Cumposiziun dals pixels | RGB |
Orientaziun | Normal |
Dumber da cumpunentas | 3 |
Resoluziun orizontala | 300 dpi |
Resoluziun verticala | 300 dpi |
Arrangement da las datas | Format grop (chunky) |
Software utilisada | Adobe Photoshop CS2 Windows |
Data da modificaziun | 11:37, 28. nov 2005 |
Spazi da colurs | Betg calibrà |
Ladezza dal maletg | 3.864 px |
Autezza dal maletg | 3.864 px |
Data e temp da la digitalisaziun | 06:37, 28. nov 2005 |
Data da la davosa midada da las datas da meta | 06:37, 28. nov 2005 |
Versiun IIM | 2 |
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