Chinese 天文學 Cited by user 凌雲 on 15 Mar 2024 天文學是一門研究天體和發生在宇宙中各種現象的自然科學. 它使用數學、物理和化學來解釋它們整體的起源和演化. 天文學研究的對象包括行星、衛星、恆星、星雲、星團、星系、流星體、小行星和彗星等等.
English Astronomy Cited by user Praemonitus on 26 Feb 2023 Astronomy is a natural science that studies celestial objects and phenomena. It uses mathematics, physics, and chemistry in order to explain their origin and evolution.