Modern astronomy is typically divided into two main approaches, often overlapping with several specialized subfields:
Astronomy is the natural science that studies everything beyond Earth's atmosphere, including celestial objects like stars, planets, and galaxies, as well as phenomena like supernova explosions and the expansion of the universe. It is one of the oldest scientific disciplines, evolving from ancient observations of the night sky into a highly technological modern science. Core Branches of Astronomy astronomy
The search for and study of the potential for life beyond Earth by examining exoplanets and extreme environments. Basics of Astronomy: Exploring the Universe and Night Sky Modern astronomy is typically divided into two main