Astronomy Vocab. Crossword

the astronomical model in which the Earth and planets revolve around the sun at the center of the solar system
is a superseded description of the Universe with Earth at the center
the process or act of turning or circling around something
the movement of one object around a center or another object
a simple device named after French physicist conceived as an experiment to demonstrate the Earth's rotation.
an inertial force that seems to act on objects that are in motion within a frame of reference, that rotates with respect to an inertial frame.
a difference between the__________and polar diameters of a planet, due to the centrifugal force exerted by the rotation about the body's axis.
object which is located outside of Earth's atmosphere, such as the Moon, the Sun, an asteroid, planet, or star.
a small rocky body orbiting the sun
a small body of matter from outer space that enters the earth's atmosphere, becoming incandescent as a result of friction and appearing as a streak of light.
the process or result of joining two or more things together to form a single entity
a unit of astronomical distance equivalent to the distance that light travels in one year
the action of dividing or splitting something into two or more parts
a cloud of gas and dust in outer space
a spot or patch appearing from time to time on the sun's surface