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  1. SPACE SIMULATOR

  2. Doppler Effect

  3. Determining the eccentricity of elliptical galaxies

  4. telescopes-eyes to the universe-project based teaching

  5. Our Solar System

  6. parallax method

  7. Quasar Variability

  8. Planets-Key of the View of our World-Project Based Learning

  9. Hot Air Balloon - Teachers Guide

  10. Seasons - exploring misconceptions

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