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Unveiling Ancient Observatories: Exploring Sun-Earth Patterns and Equinoxes

Delve into the significance of ancient observatories, their role in understanding celestial phenomena, and how they influence our lives today. Discover the intriguing world of archeoastronomy and the patterns in solar observations, shedding light on the mysteries of the universe.

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Unveiling Ancient Observatories: Exploring Sun-Earth Patterns and Equinoxes

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  1. March 21, 2005 Matter and Energy B Ms. Janney Watkins Mill High School 9th grade “Matter and Energy” and JPL “Solar System Ambassador”

  2. Today is “Sun-Earth Day” • Spring Equinox, aka the “Vernal Equinox” • Sun rises exactly in the East and sets exactly in the West • In the sky for exactly 12 hours

  3. Ancient Observatories • What is an “observatory”? • Why do we use observatories today? • Why would ancient civilizations use observatories?

  4. Archeoastronomy • The study of the astronomical practices, celestial lore, mythologies, religions and world-views of all ancient cultures • After reading this definition, what are some things you already know about this topic?

  5. Ancient Observatories

  6. Patterns in solar observations • What are some patterns that you have observed related to the Sun? • Why do these patterns exist? • How do we use these patterns in our daily lives today? • How did ancient civilizations use these patterns in the past?

  7. Webcast: Ancient Observatories • Before watching this webcast, answer these questions: • What causes the seasons? • When is the Earth closest to the Sun? • Does the Sun always pass overhead in the same place? Does it follow the same path across the sky?

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