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The interstellar cloud of gas and dust is an active star-forming region.
由气体和尘埃组成的星系云是一个恒星形成的活跃区域。
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When stars form, they collapse from a cloud of gas and dust.
恒星的形成，由气体和尘埃云坍塌而来。
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When stars form, they collapse from a cloud of gas and dust.
恒星的形成，由气体和尘埃云坍塌而来。
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