Planets Crossword ESS A

1234567891011121314151617181920
Across
  1. 2. with smaller bodies in the form of asteroids, meteoroids, and comets
  2. 5. the collection of eight planets and their moons in orbit around the sun,
  3. 9. a celestial object consisting of a nucleus of ice and dust and, when near the sun, a “tail” of gas and dust particles form, pointing away from the sun
  4. 12. especially a periodic elliptical revolution
  5. 13. helium, such as Jupiter, Saturn, Uranus, or Neptune.
  6. 14. a planet whose orbit lies outside the asteroid belt
  7. 16. the curved path of a celestial object or spacecraft around a star, planet, or
  8. 18. a large planet of relatively low density consisting predominantly of hydrogen
  9. 19. a small rocky body orbiting the sun. Can be found in a belt after Mars
  10. 20. a celestial body moving in an elliptical orbit around a star
Down
  1. 1. a large hurricane like storm tht has persisted for at least 400 years
  2. 3. the earth's atmosphere
  3. 4. is usually the most distant planet in the solar system
  4. 6. is a planet that is composed primarily of silicate rocks or metals
  5. 7. a small body moving in the solar system that would become a meteor if it
  6. 8. a celestial body resembling a small planet but lacking certain technical
  7. 10. 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
  8. 11. a planet whose orbit lies within the asteroid belt
  9. 13. the envelope of gases surrounding the earth and other planets
  10. 15. that are required for it to be classed as such
  11. 17. the time taken by a planet to make one revolution around the sun
  12. 18. the force that attracts a body toward the center of the Earth. It keeps the planets in orbit around the Sun