[1] [CITE@ja[惑星記号 - Wikipedia]]
([TIME[2025-01-04T02:48:23.000Z]], [TIME[2025-01-18T02:48:57.102Z]])
<https://ja.wikipedia.org/wiki/%E6%83%91%E6%98%9F%E8%A8%98%E5%8F%B7>