短たん周しゅう期き彗すい星せい

noun

short-period comet; periodic comet

Astronomical term for a comet with an orbital period of less than about 200 years.

• ハレー彗すい星せいは有ゆう名めいな短たん周しゅう期き彗すい星せいの一ひとつです。

  Halley's Comet is one of the famous short-period comets.