He spent seven years researching about astronomy. And in 1618 he discovered the Comet 3. Has published a book entitled Saggiatore.
ผลลัพธ์ (ภาษาอังกฤษ) 3:
He spent 7 years in research about astronomy. And in 1618 he discovered the comet 3 stars. Has published books titled Saggiatore
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