Giovanni Cassini的意思|示意

Giovanni Cassini, an Italian astronomer, described a sunspot that appeared in 1671 as the first he had seen for many years.

在1671年，一位意大利天文学家乔凡尼•卡西尼，描述了他多年以来首次观测到的一个太阳黑子。

This would explain the moon's strange half-black, half-white appearance, first noted by Giovanni Cassini in the late seventeenth century.

这能解释这个卫星奇异的半白半黑的外貌，17世纪乔凡尼·卡西尼首先注意到这点。

When the 17th century astronomer Giovanni Domenico Cassini stared through a telescope at mighty Saturn, he knew he had found his life's great work.

在借助望远镜观察奇妙壮观的土星时，17世纪的天文学家乔凡尼·多美尼科·卡西尼知道他找到了一项可以为之付出毕生努力的伟大事业。

Dione was one of four Saturnian moons discovered in 1684 by Giovanni Domenico Cassini, who the spacecraft is named after.

1684年，乔瓦尼·多米尼克·卡西尼(Giovanni Domenico Cassini)发现了土星的四颗卫星，土卫四正是其中之一，卡西尼号探测器就是以他的名字命名的。