Pinyin/Solar System
< Pinyin
The Solar System is the Sun and all the objects in orbit around it. The Sun is orbited by planets, asteroids, comets and other things.
Tàiyángxì shì Tàiyáng hé wéirào tā xuánzhuǎn de suǒyǒu wùtǐ, bāokuò xíngxīng, xiǎoxíngxīng, huìxīng hé qítā de dōngxi.
The Sun is a star. It contains 99.9 percent of the Solar System's mass. This means that it has strong gravity. The other objects are pulled into orbit around the Sun.
Tàiyáng shì yī gè héngxīng, zhìliàng zhàn Tàiyángxì de 99.9%, Yīn'ér yǒu hěn qiáng de yǐnlì xīzhe qítā wùtǐ wéirào tā xuánzhuǎn.