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行星版“大彗星”！氦气尾长度超53倍，堪称宇宙奇观！
一颗遥远系外行星，背后拖着巨大的氦气尾巴，场面简直超出想象的壮观。这不是我们熟知的彗星尾巴，而是蒸发的行星。天文学家发现，行星氦气尾巴长度竟然超过了其半径的53倍，是迄今为止观察到的最大“潮汐尾”！那么，行星究竟发生了什么？
壮丽宇宙探秘259/343
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