Chapter 2: The Sky. Essential Questions. How do astronomers refer to stars? How do you compare the brightness of the stars? How does the sky move as Earth rotates? What causes the seasons? How do astronomical cycles affect Earth ’ s climate?. Constellations.
Summer vs. Winter Solstice
Astronomical Influences on Earth’s Climate
Polar regions receiving less than average energy from the sun
Polar regions receiving more than average energy from the sun
End of last glaciation