astronomy vocabulary

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Across
  1. 4. The galaxy we live in
  2. 7. Bends light rays
  3. 8. Layer whose light is only visible during a solar eclipse
  4. 10. Collects light and separates it into colored bands; helps determine the elements in a star
Down
  1. 1. Tides that occur are at right angles to each other
  2. 2. The reason why we have day and night on Earth
  3. 3. Can have a terrestrial or gaseous surface; movement is based on revolution around the sun and rotation on an axis
  4. 5. When the moon rotates on its axis and revolves around the Earth as Earth revolves around the sun
  5. 6. Studied in relation to the planet they orbit
  6. 9. Sudden, intense explosions that occur near sunspots