Movement in Space Vocabulary

Fill in the blank with the correct definition. SPELL correctly. comet 1. A cold mixture of dust and ice that develops a long trail of light as it approaches the sun.heliocentric 2. A sun-centered model of the solar system.ellipse 3. The oval-shaped orbit of planets.meteor 4. A streak of light produced when a meteoroid burns up as it enters Earth's atmosphere.constellation 5. A pattern or group of stars that people imagine represents a figure, animal, or object.star 6. A giant ball of superheated gas or plasma composed of hydrogen and helium.satellite 7. A body that orbits a planet.geocentric 8. An earth-centered model of the solar system.