V838 Mon HST.jpg
NASA, ESA and H.E. Bond (STScI)
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いっかくじゅう座V838星
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V838 Mon HST, Hubble images of individual stars, V838 Monocerotis, Formerly featured pictures on Wikimedia Commons
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V838 Mon HST, Light echo around V838 Monocerotis, '''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., V838 Monocerotis – a possible luminous red nova
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V838 Monocerotis
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V838モンHST、ハッブル画像、いっかくじゅう座V838星、ウィキメディア・コモンズには、かつて存在した写真があります。
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V838モンHST、いっかくじゅう座V838付近の光のエコー、「いっかくじゅう座V838モノケロティス」 2002年1月、ふうふうふうふうのおとめ座の鈍い星が、突然太陽の60万倍の光を発し、一時的に銀河系で最も明るい星になった。モノセロティスと呼ばれる謎の恒星は、その後長い間暗黒に消えていた。しかし、NASAのハッブル宇宙望遠鏡による恒星周りの「光のエコー」と呼ばれる現象の観測により、驚くべき新機能が発見された。これらの詳細は、老化した星を取り巻く塵の殻の三次元構造のCATスキャンのようなプローブを提供することを期待している。
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