English-Pinyin/Astronomy is the study of everything outside the atmosphere of Earth
Astronomy is the study of everything outside the atmosphere of Earth.
Tiānwénxué shì yánjiū dìqiú dàqìcéng yǐwài de yīqiè.
Astronomy is the study of everything outside the atmosphere of Earth.
Tiānwénxué shì yánjiū dìqiú dàqìcéng yǐwài de yīqiè.