Last Updated：2025/11/25
Astronomers trained their instruments on Alpha Centauri to measure the orbital motion of its binary components and observe the faint third member, Proxima Centauri.
See correct answer
Astronomers trained their instruments on Alpha Centauri to measure the orbital motion of its binary components and observe the faint third member, Proxima Centauri.
音声機能が動作しない場合はこちらをご確認ください
Edit Histories（0）
