A galaxy as ancient as ours is filled with inexplicable wonders and secrets lost to the ages.
一个像我们这样古老的银河系充满了无法解释的奇观与历史谜团。
It's been difficult to observe exactly how star clusters dissolve due to the fact that they are easily lost in the cluttered star field background of the host galaxy.
因为这些星簇很容易便消失在主星系混乱的恒星背景中，仔细观察星簇的瓦解是很困难的。
It's been difficult to observe exactly how star clusters dissolve due to the fact that they are easily lost in the cluttered star field background of the host galaxy.
因为这些星簇很容易便消失在主星系混乱的恒星背景中，仔细观察星簇的瓦解是很困难的。
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