(すいせい)

すいせい
noun
comet
1. comet
A celestial object consisting of ice, rock, and dust that develops a visible tail when passing close to the sun.
彗星(すいせい)夜空(よぞら)横切(よこぎ)るのを観測(かんそく)した。
We observed a comet crossing the night sky.
ハレー彗星(すいせい)(やく)76(ねん)ごとに地球(ちきゅう)(ちか)づく。
Halley's Comet approaches Earth approximately every 76 years.
彗星(すいせい)()太陽(たいよう)反対(はんたい)方向(ほうこう)()びる。
A comet's tail extends in the direction away from the sun.

彗星(すいせい) refers to a comet. (すい) means 'broom' (referring to the tail) and (せい) means 'star.'

ANATOMY OF A COMET:

  • (かく): nucleus (solid core)
  • コマ: coma (gas cloud around nucleus)
  • (): tail

FAMOUS COMETS:

  • ハレー彗星(すいせい): Halley's Comet
  • ヘール・ボップ彗星(すいせい): Hale-Bopp Comet

COMMON EXPRESSIONS:

  • 彗星(すいせい)観測(かんそく)する: to observe a comet
  • 彗星(すいせい)(): comet's tail
  • 彗星(すいせい)軌道(きどう): comet's orbit

FIGURATIVE USE:

  • 彗星(すいせい)のごとく(あらわ)れる: to appear suddenly (like a comet)
  • 彗星(すいせい)のように登場(とうじょう)した新人(しんじん)」: a newcomer who burst onto the scene

HISTORY:

  • In ancient times, comets were often seen as omens