Fayl:V838 Mon HST.jpg

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العربية: الضوء يصدح حول V838 وحيد القرن
خلال شهر كانون الثاني (يناير) 2002، انقلب حالُ نجمٍ كامدٍ في كوكبةٍ غامضةٍ رأسًا على عقب، فأصبح أكثر إنارةً بِحوالي 600,000 مرَّة من الشمس، ممَّا جعله ألمع نُجُوم مجرَّة درب التبَّانة، لِفترةٍ من الزمن. هذا النجمُ الغامض، المُسمَّى V838 وحيد القرن، سُرعان ما عاد واختفى في غياهب الظُلُمات. لكنَّ رُصُود مقراب هابل الفضائي التابع لِوكالة ناسا لِظاهرةٍ تُسمَّى «صدى الضوء» وقعت حول هذا النجم كشفت النقاب عن العديد من الميزات المُذهلة. من شأن هذه البيانات أن تُزوِّد عُلماء الفلك بِصُورٍ مسباريَّة شبيهة بِالصُور المقطعيَّة المُحوسبة لِلبُنية ثُلاثيَّة الأبعاد لِقُشُور الغُبار المُحيطة بِالنُجُوم الكهلة.
English: Light echo around V838 Monocerotis
In January 2002, a dull star in an obscure constellation suddenly became 600,000 times more luminous than our Sun, temporarily making it the brightest star in our Milky Way galaxy. The mysterious star, called V838 Monocerotis, has long since faded back to obscurity. But observations by NASA's Hubble Space Telescope of a phenomenon called a "light echo" around the star have uncovered remarkable new features. These details promise to provide astronomers with a CAT-scan-like probe of the three-dimensional structure of shells of dust surrounding an aging star.
Español: Luz eco alrededor de V838 Monocerotis
En enero de 2002, una estrella sin brillo en una constelación oscura de repente se convirtió en 600.000 veces más luminosa que nuestro Sol, por lo que temporalmente la estrella más brillante de nuestra galaxia, la Vía Láctea. La estrella misteriosa, llamada V838 Monocerotis, desde hace mucho tiempo se ha desvanecido de nuevo a la oscuridad. Pero las observaciones por el telescopio espacial de un fenómeno de Hubble de la NASA llamado "eco de luz" alrededor de la estrella han destapado nuevas características notables. Estos detalles promesa de proporcionar a los astrónomos con una sonda CAT-scan-como de la estructura tridimensional de las cáscaras de polvo que rodean una vieja estrella.
Français : Aura de lumière autour de V838 Monocerotis
Courant janvier 2002, l'étoile V838 de la Licorne (en rouge, au centre) devint brusquement 60 000 fois plus brillante que le Soleil, ce qui fit d'elle l'étoile temporairement la plus brillante de notre Voie Lactée. Dans les mois suivant, ce flash cosmique, un phénomène d'"écho lumineux", devint observable sous la forme d'anneaux concentriques autour de l'étoile. Ce phénomène permet d'etudier la structure des nuages de poussière entourant cette étoile en fin de vie.
한국어: Light echo around V838 Monocerotis
2002년 1월 외뿔소자리 V838은 짧은 기간 동안 태양의 60만 배로 밝아졌으며 잠시나마 우리 은하에서 가장 밝은 별의 지위를 누렸다. 이후 이 별은 서서히 어두워져서 시야에서 사라져 갔다. 미국 항공우주국 허블 우주 망원경은 이 별 주위에 '빛의 메아리'로 명명된, 주목할만한 구조가 형성되어 있음을 포착했다.
Português: Eco luminoso em torno do V838 Monocerotis
Em janeiro de 2002, uma estrela sem graça em uma obscura constelação de repente tornou-se 600.000 vezes mais luminosa que o Sol, tornando-se temporariamente a estrela mais brilhante em nossa galáxia Via Láctea. A estrela misteriosa, chamada V838 Monocerotis, já há muito desapareceu de volta à obscuridade. Mas observações feitas pelo Telescópio Espacial Hubble, da NASA, de um fenômeno chamado "eco de luz" em torno da estrela revelou extraordinárias novas funcionalidades.Estes detalhes prometem fornecer aos astrônomos com uma sonda CAT-scan-like a sondagem das estruturas tridimensionais de conchas de poeira em torno de uma estrela em envelhecimento.
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Light echo around V838 Monocerotis

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hal-hazırkı 1.651 × 1.651 (276 KB) In January 2002, a dull star in an obscure constellation suddenly became 600,000 times more luminous than our Sun, temporarily making it the brightest star in our Milky Way galaxy. The mysterious star, called V838 Monocerotis, has long since faded back to

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