For 10 points, name this Iranian people whose empire fell when Cyrus the Great captured their capital of Ecbatana.
Ctesias invented a story about this people's empire being founded after a rebellion assisted by Bactrian deserters and led by Arbaces. According to Josephus, these people descended from a son of Japheth whose name resembles theirs. A battle between these people and their western neighbors was interrupted by the solar eclipse which the philosopher Thales supposedly predicted. Early kings of these people included Deioces and Phraortes. Their greatest king, who fought a war against Lydia, was Cyaxares. Herodotus divides them into six tribes, including the (*) Magi, from which the term for Zoroastrian priests derives. For 10 points, name this Iranian people whose empire fell when Cyrus the Great captured their capital of Ecbatana.
Ctesias invented a story about this people's empire being founded after a rebellion assisted by Bactrian deserters and led by Arbaces.
Medes (or Median Empire)