The study of the chemical composition of stars and outer space
The branch of astronomy or physics that deals with the physical properties of celestial bodies and with the interaction between matter and radiation in celestial bodies and in the space between them.
the branch of science involving astronomy and chemistry which studies the chemical composition, chemical reactions, and evolution of matter in outer space.
the concerned with the physical and chemical properties of celestial bodies.
Astrochemistry is the study of the abundance and reactions of molecules in the Universe, and their interaction with radiation. The discipline is an overlap of astronomy and chemistry.
The science treating of the physical characteristics of the stars and other heavenly bodies, their chemical constitution, light, heat, atmospheres, etc. It is a branch of astronomy.
the branch of astronomy concerned with the physical and chemical properties of celestial bodies
Astrophysics is a science that employs the methods and principles of physics in the study of astronomical objects and phenomena. Among the subjects studied are the Sun, other stars, galaxies, extrasolar planets, the interstellar medium and the cosmic microwave background.