astro- |ˈastrō|
comb. form
relating to the stars, celestial objects, or outer space: astrocompass | astrophysics | astrodynamics | astronuclear.
plane 1 |plān|
noun
1 a flat surface on which a straight line joining any two points on it would wholly lie: the horizontal plane.
• an imaginary flat surface through or joining material objects: the planets orbit the sun in roughly the same plane.
2 a level of existence, thought, or development: everything is connected on the spiritual plane.
3 an augmented reality surface used to place and orient digital objects.
verb [ no obj. ]
(of a bird or an airborne object) soar without moving the wings; glide: a bird planed down toward the water below.
plane 2 |plān|
noun
an airplane.