English Dictionary

short-period comet

名詞

(astronomy) Any periodic comet with an orbital period of less than 200 years.

日本語の意味

軌道周期が200年未満の周期彗星。

During the summer, a short-period comet surprised observers by brightening unexpectedly as it passed closer to Earth.

夏に、軌道周期が200年未満の周期彗星が地球に接近するときに予期せず明るくなり、観測者たちを驚かせた。

意味（1）

(astronomy) Any periodic comet with an orbital period of less than 200 years.

[…] comets. Depending on their orbital period, comets are classified as short or long period comets. Short period comets have periods less than 200 years. For example, Halley's Comet is a short period comet, because it has a period of 76 years.

short-period comets （ plural ）