"Astrophysics 'seeks to ascertain the nature of the heavenly bodies, rather than their positions or motions in space–what they are, rather than where they are.'"
Physics principle employed while studying astronomical objects and phenomena.
Basic Astronomy: An introduction to the celestial coordinate system, motions of celestial objects, and the physics of light and electromagnetic radiation.
Stellar Astrophysics: The study of the physical properties, evolution, and behavior of stars, including their formation, structure, and the processes that govern their lifecycle.
Galactic Astrophysics: The study of the structure, dynamics, and evolution of galaxies, including the Milky Way, and the larger structures of the universe.
Cosmology: The study of the origins and evolution of the universe, including the Big Bang theory, the cosmic microwave background radiation, and the large-scale structure of the universe.
Exoplanet Science: The study of planets outside our solar system, including their detection, characterization, and the search for signs of habitability and life.
High Energy Astrophysics: The study of the extreme environments around black holes, neutron stars, and other high-energy phenomena, including the production and detection of cosmic rays and gamma rays.
Observational Techniques: An overview of the telescopes, detectors, and other technologies used to study astronomical objects, including the latest developments in space-based and ground-based observatories.
Astrochemistry: The study of the chemical composition and evolution of the universe, including the formation of molecules and the role of chemical reactions in the formation of stars and planets.
The Interstellar Medium: The study of the gas and dust that exists between stars, including the processes of star formation and the cycle of matter in galaxies.
Astrobiology: The search for life beyond Earth, including the study of the conditions necessary for life as we know it, and the development of new techniques for detecting life elsewhere in the universe.
Galactic Astrophysics: This type of astrophysics deals with the structure, dynamics and evolution of galaxies.
Stellar Astrophysics: This type of astrophysics deals with the study of stars, including their formation, structure, evolution and death.
Planetary Astrophysics: This type of astrophysics deals with the study of planets, including their evolution, composition, atmosphere and habitability.
Supernova Astrophysics: This type of astrophysics deals with the study of supernovae, including their types, causes, and effects.
Black Hole Astrophysics: This type of astrophysics deals with the study of black holes, including their formation, structure, dynamics and interaction with surrounding matter.
High-Energy Astrophysics: This type of astrophysics deals with the study of energetic phenomena in space, such as cosmic rays, gamma-ray bursts, and X-ray emission.
Astrobiology: This type of astrophysics deals with the search for life beyond Earth, including the study of habitable planets, astrochemistry, and the origin of life.
Cosmology: This type of astrophysics deals with the origins and evolution of the universe as a whole, including the study of the Big Bang, dark matter, and dark energy.
Exoplanets: This type of astrophysics deals with the detection and characterization of planets orbiting other stars, including the search for Earth-like planets and the study of their atmospheres.
Infrared Astronomy: This type of astrophysics deals with the study of celestial objects and phenomena that emit or absorb infrared radiation, including dust clouds, star-forming regions, and exoplanets.
Radio Astronomy: This type of astrophysics deals with the study of celestial objects and phenomena that emit or absorb radio waves, including pulsars, quasars, and the cosmic microwave background radiation.
Optical Astronomy: This type of astrophysics deals with the study of celestial objects and phenomena that emit or reflect visible light, including stars, galaxies, and nebulae.
"Among the subjects studied are the Sun (solar physics), other stars, galaxies, extrasolar planets, the interstellar medium, and the cosmic microwave background."
"Astrophysicists apply concepts and methods from many disciplines of physics, including classical mechanics, electromagnetism, statistical mechanics, thermodynamics, quantum mechanics, relativity, nuclear and particle physics, and atomic and molecular physics."
"Properties examined include luminosity, density, temperature, and chemical composition."
"Some areas of study for astrophysicists include their attempts to determine the properties of dark matter, dark energy, black holes, and other celestial bodies; and the origin and ultimate fate of the universe."
"In practice, modern astronomical research often involves a substantial amount of work in the realms of theoretical and observational physics."
"Topics also studied by theoretical astrophysicists include Solar System formation and evolution; stellar dynamics and evolution; galaxy formation and evolution; magnetohydrodynamics; large-scale structure of matter in the universe; origin of cosmic rays; general relativity, special relativity, quantum and physical cosmology, including string cosmology and astroparticle physics."
"Among the subjects studied are the Sun (solar physics), other stars, galaxies, extrasolar planets, the interstellar medium, and the cosmic microwave background."
"Emissions from these objects are examined across all parts of the electromagnetic spectrum."
"Astrophysics 'seeks to ascertain the nature of the heavenly bodies, rather than their positions or motions in space–what they are, rather than where they are.'"
"Some areas of study for astrophysicists include their attempts to determine the properties of dark matter, dark energy, black holes, and other celestial bodies."
"Properties examined include luminosity, density, temperature, and chemical composition."
"Astrophysicists apply concepts and methods from many disciplines of physics, including classical mechanics, electromagnetism, statistical mechanics, thermodynamics, quantum mechanics, relativity, nuclear and particle physics, and atomic and molecular physics."
"Topics also studied by theoretical astrophysicists include Solar System formation and evolution; stellar dynamics and evolution; galaxy formation and evolution; magnetohydrodynamics; large-scale structure of matter in the universe; origin of cosmic rays; general relativity, special relativity, quantum and physical cosmology, including string cosmology and astroparticle physics."
"Emissions from these objects are examined across all parts of the electromagnetic spectrum."
"Because astrophysics is a very broad subject, astrophysicists apply concepts and methods from many disciplines of physics."
"Some areas of study for astrophysicists include their attempts to determine the properties of dark matter, dark energy, black holes, and other celestial bodies; and the origin and ultimate fate of the universe."
"In practice, modern astronomical research often involves a substantial amount of work in the realms of theoretical and observational physics."
"Astrophysics 'seeks to ascertain the nature of the heavenly bodies, rather than their positions or motions in space–what they are, rather than where they are.'"
"Topics also studied by theoretical astrophysicists include Solar System formation and evolution; stellar dynamics and evolution; galaxy formation and evolution; magnetohydrodynamics; large-scale structure of matter in the universe; origin of cosmic rays; general relativity, special relativity, quantum and physical cosmology, including string cosmology and astroparticle physics."