Includes cosmology; celestial mechanics; space plasmas; and interstellar and interplanetary gases and dust.
Astrophysics – Study of the physical characteristics and processes associated with celestial bodies and interstellar space. The application of the laws of physics to the study of the celestial bodies and astronomical phenomena such as luminosity, size, mass, density, temperature, and chemical composition. NASA Thesaurus, Washington, DC: National Aeronautics and Space Administration.
Exhaustive Interest : All facets of the physical properties of celestial bodies, interplanetary, interstellar, and intergalactic properties; data analysis and calculations of celestial mechanics. For planetary science see 91 Lunar and Planetary Science and Exploration.
Input Subjects of Specific Interest
black holes (astrophysics)
celestial body orbits
celestial body physical properties
celestial body trajectories
expansion of the universe
gravitational collapse (astrophysics)
gravitational theory (astrophysics)
gravitational waves (astrophysics)
interplanetary shock waves
physical properties of celestial bodies
solar system evolution
stellar magnetic fields
stellar mass accretion