(æstroʊfɪzɪks ) uncountable noun.
Astrophysics is the study of the physical and chemical structure of the stars, planets, and other natural objects in space.,: a branch of astronomy dealing especially with the behavior, physical properties, and dynamic processes of celestial objects and phenomena.,The earliest known use of the noun astrophysics is in the 1870s.
OED's earliest evidence for astrophysics is from 1870, in Nature: a weekly journal of science.
astrophysics is formed within English, by compounding; modelled on a German lexical item.
Etymons: astro- comb.,The branch of astronomy devoted to the study of the physical characteristics and composition of objects in the sky.
Typical concerns of astrophysics are how ,The branch of astronomy that deals with the physical and chemical processes that occur in stars, galaxies, and interstellar space.
Astrophysics deals with the ,the branch of astronomy that deals with the physical properties of celestial bodies and with the interaction between matter and radiation in the interior of celestial bodies and in interstellar space.,the branch of astronomy that deals with the physical properties of celestial bodies and with the interaction between matter and radiation in the interior of
What is the difference between astrophysics and atmosphere?
,astrophysics The part of astronomy that deals principally with the physics of the universe, including luminosity, density, temperature, and the chemical composition of stars, galaxies, and the interstellar medium,atmosphere The gas that surrounds a planet or star
