our solar system

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Across
  1. 1. occurs when the moon crosses across the sun
  2. 3. the planet on which we live.
  3. 4. atoms so ordered that the material exhibits properties of magnetism
  4. 7. a fixed luminous point in the night sky which is a large, remote incandescent body like the sun.
  5. 9. the envelope of gases surrounding the earth or another planet.
  6. 10. an artificial body placed in orbit around the earth
  7. 11. an electromagnetic wave of high energy and very short
Down
  1. 2. a brief eruption of intense high-energy radiation from the sun's surface
  2. 5. a natural electrical phenomenon characterized by the appearance of streamers of reddish or greenish light in the sky
  3. 6. the basic unit of a chemical element.
  4. 8. a system of millions or billions of stars, together with gas and dust, held together by gravitational attraction.