English-Pinyin/Astronomy studies celestial objects

Astronomy studies celestial objects (such as stars, galaxies, planets, moons, asteroids, comets and nebulae) and processes (such as supernovae explosions, gamma ray bursts, and cosmic microwave background radiation).

Tiānwénxué yánjiū tiāntǐ (rú héngxīng, xīngxì, xíngxīng, wèixīng, xiǎoxíngxīng, huìxīng hé xīngyún) hé guòchéng (rú chāoxīnxīng bàozhà, gamma shèxiàn bàofā hé yǔzhòu wēibō bèijǐng fúshè).