SCIENCE

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Across
  1. 2. The cloud of gas and dust in space.
  2. 4. Characterized by the early astronomers as a tiny, hot, and infinitely dense point.
  3. 6. It is a phenomenon in which the length of the day is equivalent to the length of the night.
  4. 8. It acts like a barrier that protects us in solar winds.
  5. 9. It is the visible hue of the minerals.
  6. 12. It is a pseudoscience, a belief about space and its effect on human activities.
  7. 13. It marks the longest and shortest of days in a year.
  8. 14. It is the thinnest layer of the Earth's mass.
  9. 15. are the building blocks of rocks.
Down
  1. 1. It is the condensed form of water vapor
  2. 3. The transformation of liquid to gas.
  3. 5. It is the weak portion of the upper mantle.
  4. 7. The movement of the earth around the sun.
  5. 8. Thickest layer of the Earth.
  6. 10. It is the ability of the mineral to reflect light.
  7. 11. The process of the clumping of gas particles.