火か星せい

か

せ

い

Common wordJLPTN1Freq.FrequencyTop 10,000

Meanings

1

The planet Mars. Used in astronomical contexts and everyday conversation.

火か星せいは地ち球きゅうの隣となりの惑わく星せいです。
Mars is the planet next to Earth.
将しょう来らい、人にん間げんは火か星せいに住すめるようになるかもしれない。
In the future, humans may be able to live on Mars.

See all 80 example sentences ›

Kanji

火fire
星star, spot, dot

Don't confuse with· 5

水すい星せいN1
火星 (Mars) and 水星 (Mercury) are different planets that beginners often mix up because both names follow the pattern 〈element〉+星.
金きん星せいN1
火星 (Mars) and 金星 (Venus) share the same 星-based naming pattern, so learners frequently confuse which planet is which.
木もく星せいN1
火星 (Mars) is much smaller and closer to the sun than 木星 (Jupiter), though both names end in 星 and are easily mixed up.

Show 2 more

化か成せい
火星 (かせい) is the planet Mars and is completely unrelated in meaning to 化成 (かせい), a chemistry term for transformation, despite the identical pronunciation.
土ど星せいN1
土星 (Saturn) and 火星 (Mars) both follow the same 〜星 naming pattern for planets, making them easy to confuse.

Word family

火か星せい年ねん
Martian year
火か星せい探たん査さ機き
Mars probe; Mars rover; Mars lander

Etymology

From Chinese 火星 (huǒxīng), literally 'fire star', referring to its reddish appearance.