Which planet is known as the Red Planet? 2025.04.02 Which planet is known as the Red Planet? Venus Mars Jupiter Saturn Mars is often referred to as the Red Planet because of its reddish appearance, which is due to iron oxide, or rust, on its surface. This characteristic gives Mars its distinctive color, making it visible from Earth as a reddish dot in the night sky. クイズタグ: 英語高校生関連記事 英語高校生クイズ！【問題 全10問・答え付き】 | 2025年04月版
