池谷・関彗星 いけやせきすいせい Also written 池谷関彗星 Meanings Noun Comet Ikeya-Seki Kanji 池 pond. Read as いけ. 谷 valley 関 relate. Read as せき. 彗 comet; broom. Read as スイ. 星 star. Read as セイ. Jinuma: Japanese Dictionary · Word lists