astrophysics

n.	1.	the concerned with the physical and chemical properties of celestial bodies.
	1.	(Astron.) 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.

Noun

1.

astrophysics - the branch of astronomy concerned with the physical and chemical properties of celestial bodies

Newtonian physics, acoustics, aerophysics, applied physics, astrogeology, astrognosy, astrography, astrolithology, astronomy, astrophotography, basic conductor physics, biophysics, celestial mechanics, chemical physics, cryogenics, crystallography, cytophysics, electron physics, electronics, electrophysics, geophysics, gravitational astronomy, macrophysics, mathematical physics, mechanics, medicophysics, meteoritics, microphysics, natural philosophy, natural science, nuclear physics, optics, philosophy, physic, physical chemistry, physical science, physicochemistry, physicomathematics, physics, psychophysics, radar astronomy, radiation physics, radio astronomy, radionics, solar physics, solid-state physics, spectrography, spectroscopy, stargazing, statics, stellar photometry, stereophysics, theoretical physics, thermodynamics, uranography, uranology, uranometry, zoophysics