Like the sun, it was thought to be a perfect heavenly body and, as you probably know, it was Galileo though -the Tuscan artist, the Italian astronomer 0 -who disproved just that assumption in 1610 when he published the Sidereus Nuncius .

正如太阳那样，它被认为是完美的天体，也是伽利略,-那个托斯卡纳大师，意大利的天文学家,-他驳斥了1610年的假设0,在他出版的那本中。

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