The Crab Nebula的意思|示意
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蟹状星云
The Crab Nebula的网络常见释义
蟹状星云 The Crab Nebula（蟹状星云） , once considered to be a source of energy so stable that astronomers used it to calibrate their instruments, is dimmin...
巨蟹座星云 ... 巨蟹座55 55 cancri 巨蟹座星云 the crab nebula 鳕场蟹；巨蟹 king crab ...