The term anno Domini is Medieval Latin and means "in the year of the Lord", but is often presented using "our Lord" instead of "the Lord", taken from the full original phrase "anno Domini nostri Jesu Christi", which translates to "in the year of our Lord Jesus Christ".
Jupiter, named after Zeus himself. He was the most powerful god, as Jupiter is the biggest planet in the solar system. In other words you could call Jupiter, Zeus! :)
