1. Observing the Sky
2. Constellations and Sky Charts
3. The Seasons

Observing the Sky

• Stellarium (Web)
• The Sky Part 1: Local Sky and Alt-Az / Horizon Coordinates (YouTube)
• History of Astronomy Part 1: The Celestial Sphere and Early Observations (YouTube)
• Basics of Space Flight | Reference Systems (NASA)

Constellations and Sky Charts

• The Constellations | IAU
• SFA Star Charts
• Interactive Sky Chart (Sky & Telescope)
• Make a Star Wheel (Sky & Telescope)
• Constellations (LPI)
• The Oldest Sky Maps (ESA)

The Seasons

• Earth’s Tilt 1: The Reason for the Seasons (MIT K12)
• Earth’s Tilt 2: Land of the Midnight Sun (MIT K12)
• Reasons for the seasons – Rebecca Kaplan
• Intro to Solar Orientation [Solar Schoolhouse]