General Astronomy - Earth's Atmospheric Structure and Magnetic Field
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This lecture explains how solar energy and greenhouse heating produce Earth’s atmospheric layers, winds, weather, and blue sky. It also introduces magnetospheres, auroras, the dynamo effect, Earth’s magnetic field, and evidence for field reversals.
Syllabus
Intro
THE STRUCTURE OF THE ATMOSPHERE
THE TROPOSPHERE
GLOBAL WIND PATTERNS
ATMOSPHERIC HEATING
THE CORIOLIS EFFECT
THE STRATOSPHERE
THE MESOSPHERE
THE THERMOSPHERE
WHY THE SKY IS BLUE
COMPARATIVE ATMOSPHERIC STRUCTURES
MAGNETOSPHERES
AURORAE
MAGNETIC DYNAMO
MAGNETIC FIELD REVERSAL
EARTH'S MAGNETIC FIELD
CONCEPT CHECK 9-6
Taught by
Spahn's Science Lectures