Beyond Earth

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Across
  1. 1. The farthest distance from the sun.
  2. 6. “shooting star”
  3. 7. asteroid made up of nickel and silicate
  4. 8. When several meteors enter Earth’s atmosphere at great speeds.
  5. 9. formed when a comet gets closer to the Sun
  6. 10. the biggest asteroid
  7. 12. The small bodies being part of the Solar system are referred as _____.
  8. 14. It is the system of stars.
  9. 16. the asteroids that are bright
  10. 18. when it hits the Earth’s ground
  11. 20. The four planets closest to the sun are the ____ solar system.
  12. 24. It is a diagram that shows the sun is the center.
  13. 25. “dirty snowballs”
  14. 28. the task force who assigns names to meteor showers
  15. 29. “planetoid / miniature planets”
Down
  1. 1. asteroids that cross but spend most of their time outside Earth’s orbit
  2. 2. asteroids that approach but do not cross Earth’s orbit.
  3. 3. It is composed of the sun and the eight planets.
  4. 4. It separates the eight planets into half.
  5. 5. The four planets farther to the sun are the ____ solar system.
  6. 8. way We are in this galaxy.
  7. 11. asteroids mostly made up of carbon
  8. 13. the amount of light reflected by a celestial object
  9. 15. asteroids spends most of their time in Earth’s orbit
  10. 17. coined the term “asteroid”
  11. 19. It means that the orbits are not confined to the plane of the solar system.
  12. 21. small chunks of space debris
  13. 22. the solid mass in a comet
  14. 23. the cloud where most comets come from
  15. 26. The center of our solar system.
  16. 27. The closest distance from the sun.