protoplanetary disc

Noun

alt-of alternative

(astronomy) Alternative form of protoplanetary disk

Japanese Meaning

原始惑星系円盤

The telescope captured high-resolution images of the protoplanetary disc surrounding the young star, revealing gaps carved by forming planets.

望遠鏡は若い恒星を取り巻く原始惑星系円盤の高解像度画像を捉え、形成中の惑星が切り開いたすき間を明らかにした。

Sense（1）

(astronomy) Alternative form of protoplanetary disk

protoplanetary discs

（ plural ）