Astronomy

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Across
  1. 2. unit of measurement, the distance light travels in one year.
  2. 4. densest planet in the solar system.
  3. 6. All celestial bodies orbiting the sun.
  4. 8. When the center of the visible sun passes through earths equator. Occurs twice each year.
  5. 9. relating to the moon
  6. 10. planet with most moons (as of 2020)
Down
  1. 1. Short period comet revisiting earth every 75 years.
  2. 3. Particles said to exist that do not absorb reflect or emit light. Known to exist, but not
  3. 5. a small rocky body orbiting the sun
  4. 7. the obstruction of light between one celestial body and another