Cosmochemistry
Cosmochemistry is the study of the chemical composition and origins of celestial bodies, including planets, meteorites, comets, and stars. This field employs various scientific techniques to analyze the distribution and abundance of elements within these objects in order to understand their formation, evolution, and interactions with one another. By studying the isotopic ratios, mineralogical properties, and chemical reactions in space materials, cosmochemists contribute significantly to our knowledge of the universe's history and the processes that govern its structure and behavior. Cosmochemistry's focus on understanding the building blocks of celestial bodies aligns it perfectly as a subcategory within Space Science, contributing valuable insights to Physical Science and ultimately, broadening our understanding of Science as a whole.