Dust is nowhere near as hot as a star, therefore optical telescopes cannot observe it.
尘埃温度远不及恒星，所以光学望远镜难以观测到。
We cannot observe the objective world in our subjective states of consciousness.
我们无法在我们的主观的意识状态中观察客观的世界。
We cannot observe the objective world in our subjective states of consciousness.
我们无法在我们的主观的意识状态中观察客观的世界。
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