最終更新日：2025/12/03
Astronomers estimate that the gas cloud is nearly a light month across, making it one of the largest structures observed in the region.
正解を見る
Astronomers estimate that the gas cloud is nearly a light month across, making it one of the largest structures observed in the region.
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）
