Defn: The science treating of the physical characteristics of the stars and other heavenly bodies, their chemical constitution, light, heat, atmospheres, etc.
Its observations are made with the spectroscope, bolometer, etc.,
usually in connection with the telescope.
ASTROPHYTON
As*troph"y*ton, n. Etym: [Astro- + Gr. fyton a plant.] (Zoöl.)
Defn: A genus of ophiurans having the arms much branched.
ASTROSCOPE
As"tro*scope, n. Etym: [Astro- + scope.]
Defn: An old astronomical instrument, formed of two cones, on whose surface the constellations were delineated.
ASTROSCOPY
As*tros"co*py, n.
Defn: Observation of the stars. [Obs.]
ASTROTHEOLOGY
As`tro*the*ol"*o*gy, n. Etym: [Astro- + theology.]
Defn: Theology founded on observation or knowledge of the celestial bodies. Derham.