History of Astronomy Crossword Puzzle

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QUESTIONS LIST:

  • retrograde: this type of motion occurs when planets appear to "wander" through the sky
  • eratosthenes: head librarian at alexandria; calculated the circumference of earth with trigonometry
  • grada: root word meaning "walk"
  • navigation: the location of fixed stars & constellations in the night sky help with this
  • aristarchus: this greek was one of the first to consider a heliocentric view of the solar system
  • chinese: this society is one of the first to show records of comets, "guest stars" & time keeping devices
  • ptolemy: this greek included epicycles in his model of space
  • religion: many planets, constellations, and stars have names rooted in this
  • astro: root word meaning "star"
  • aristotle: this greek philosopher believed in a geocentric system with planets orbiting on crystal spheres
  • scotland: one of the earliest known lunar calendars (at warren field) comes from this country
  • babylonians: this is one of the earliest astronomy societies, known for its star charts & (found in the middle east)
  • sundial: this utilizes the sun's shadow to determine the time of day
  • equator: the sun shines directly on this during the autumnal & vernal equinoxes
  • heliocentric: "sun centered" solar system
  • planatia: this is a greek term meaning 'wanderer'
  • five: the number of planets that early greeks could see with their naked eye
  • calendars: the sun & moon cycles have been used to create these
  • retro: root word meaning "back"
  • astrology: the study of the positions of stars & celestial bodies with the concept that they'll influence your life or personality
  • geocentric: "earth centered" system
  • nomos: root word meaning "law"
  • equinox: the period of time when the length of day is the same as the length of night