also: ハリーすいせい
noun
Halley's Comet
The famous short-period comet visible from Earth roughly every 75–76 years.
ハレー彗星は約76年ごとに地球に接近する。
Halley's Comet approaches Earth about every 76 years.
Alternate spelling reflecting the English pronunciation 'Halley'.
From English 'Halley's Comet', named after astronomer Edmond Halley.