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unit 3 lesson 3

historical model of the solar system

Elliptical pertaining to or having the form of an ellipse.
Geocentric Describes something that uses earth as the reference.
Gravitational force a force of attraction between objects that due to their masses.
Heliocentric sun-centered.
Moon the natural satellite of the earth.
Orbit the path that a body follows as it travels around another body in space.
planet a relatively large spherical body that orbits a star.
Solar System the sun and all of the planets and other bodies that travel around it.
purallax a apparent shift in the position of location of an object when viewed form different location
Created by: ijahchandler