The star, called V838 Monocerotis, expanded to an enormous size, cooled and reddened (above).
这颗名为V838 莫诺塞若蒂斯的恒星，体积膨胀到巨大，冷却后泛着红光（见上图）。
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When the red supergiant V838 Monocerotis suddenly brightened for several weeks in early 2002, it showed it was cloaked in a never-before-seen cloud structure.