Science Vocabulary, Part 2

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Across
  1. 1. set of criteria or stated values in relation to which measurements or judgments can be made
  2. 8. space object similar to but not quite a planet
  3. 9. the force that attracts objects to the core of a planet
  4. 11. spectrum of light radiation
  5. 13. moment in time when the Sun crosses the Earth's equator
  6. 14. a phase of the moon, the moon is fully lit
  7. 15. relating to the moon
Down
  1. 2. lines, or lines of increased intensity, on a continuous spectrum
  2. 3. areas of the Moon
  3. 4. (of the moon) having the observable illuminated part greater than a semicircle and less than a circle.
  4. 5. area of our solar system beyond Neptune
  5. 6. when the Moon moves into the Earth's shadow
  6. 7. nonrenewable source of energy
  7. 10. a collection of solar systems and other space objects
  8. 12. planet outside the solar system