最終更新日:2025/11/29
Biela's Comet, a periodic Jupiter-family comet first recorded in 1772 that later split into two, has not been observed since 1852.
正解を見る
Biela's Comet, a periodic Jupiter-family comet first recorded in 1772 that later split into two, has not been observed since 1852.
音声機能が動作しない場合はこちらをご確認ください
編集履歴(0)