輻ふく射しゃ点てん

noun

radiant point

Astronomical term for the point in the sky from which meteors appear to originate during a meteor shower.

• ペルセウス座ざ流りゅう星せい群ぐんの輻ふく射しゃ点てんはペルセウス座ざにある。

  The radiant point of the Perseid meteor shower is in the constellation Perseus.