大だい彗すい星せい

だ

い

す

い

せ

い

Meanings

1

noun

great comet

astronomy

Astronomical term for a comet that becomes exceptionally bright and prominent in the sky.

large, big

彗comet, broom

星star, spot, dot

彗すい星せい
彗星 is the general term for 'comet', while 大彗星 specifically refers to a 'great comet' that is exceptionally bright.

Compound of 大 (だい, 'great') and 彗星 (すいせい, 'comet').