Science involved in the study of meteorites and related materials. Meteoritics are closely connected to Also known as chemical cosmology, cosmochemistry is the study of the chemical composition of matter in the universe and the processes that led to those compositions. Cosmochemistry primarily, but not exclusively, studies the chemical composition of meteorites and material gathered from sample return missions as they contain evidence from nearly Click on Term to Read More, mineralogy and Study of the chemical composition of Earth and other planets, chemical processes and reactions that govern the composition of rocks and soils, and the cycles of matter and energy that transport Earth's chemical components in time and space. Click on Term to Read More. A scientist that specializes in meteoritics is called a meteoriticist.