惑わく星せい直ちょく列れつ

noun

planetary alignment; syzygy

Astronomy term for a straight-line configuration of celestial bodies, especially planets. Syzygy is the technical English equivalent.

• 来らい月げつ、珍めずらしい惑わく星せい直ちょく列れつが観かん測そくできる。

  A rare planetary alignment can be observed next month.

• 惑わく星せい直ちょく列れつは天てん文もん学がくファンにとって見み逃のがせない現げん象しょうだ。

  Planetary alignment is a phenomenon astronomy fans cannot miss.