星球 (xīngqiú) means 'planet' or 'celestial body' and refers broadly to any astronomical body such as a planet or star. It combines 星 (star) and 球 (sphere). It is commonly used in popular science, science fiction, and everyday descriptions of space.
火星是离地球最近的星球之一。
Huǒxīng shì lí Dìqiú zuì jìn de xīngqiú zhī yī.
Mars is one of the planets closest to Earth.
科学家一直在寻找适合人类居住的星球。
Kēxuéjiā yīzhí zài xúnzhǎo shìhé rénlèi jūzhù de xīngqiú.
Scientists have been searching for planets suitable for human habitation.
这部电影讲的是一个遥远星球上的故事。
Zhè bù diànyǐng jiǎng de shì yī gè yáoyuǎn xīngqiú shàng de gùshì.
This movie is about a story on a distant planet.