The Movement of the Earth

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Across
  1. 7. The rapid turning or rotation of an object around its own internal axis.
  2. 8. The specific route or direction along which something moves.
  3. 9. Factual information or observations used to support a theory or prove a claim
  4. 10. A heliocentric (Sun-centered) theory stating that Earth and other planets revolve around a stationary Sun.
  5. 11. A position or direction directly across from or contrary to another.
  6. 12. The third planet from the Sun and the only known celestial body to support life.
Down
  1. 1. The four divisions of the year (Spring, Summer, Autumn, Winter) caused by the tilt of Earth's axis as it orbits the Sun.
  2. 2. Movement in the direction opposite to the hands of a clock (also known as counter-clockwise)
  3. 3. The imaginary straight line through the North and South Poles around which the Earth rotates.
  4. 4. The star at the center of our solar system that provides light and heat to Earth.
  5. 5. A geocentric (Earth-centered) theory where the Sun, Moon, and planets revolve around a stationary Earth
  6. 6. One half of the Earth (usually divided by the equator into North/South or the prime meridian into East/West).
  7. 9. An imaginary line drawn around the middle of the Earth, equidistant from the poles, dividing it into Northern and Southern Hemispheres.
  8. 10. The middle point of a circle, sphere, or system.
  9. 11. The curved, repeating path that an object in space (like a planet or moon) takes around another object due to gravity.