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General Astronomy - Making Sense of the Universe

Spahn's Science Lectures via YouTube

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This lecture traces the shift from Earth-centered cosmology to modern heliocentric astronomy. It covers Kepler’s laws and elliptical orbits, Galileo’s telescopic evidence, and Newton’s laws of motion.

Syllabus

Intro
ELLIPTICAL ORBITS
CONCEPT CHECK 4.9
KEPLER'S SECOND LAW
KEPLER'S THIRD LAW
CONCEPT CHECK 4.11
CALCULATION CHECK 4.1
GALILEO (1564 - 1642)
SEALING THE CASE
NEWTON (1642 - 1727)
NEWTON'S LAWS OF MOTION
DESCRIBING MOTION
NEWTON'S FIRST LAW
NEWTON'S SECOND LAW
NEWTON'S THIRD LAW
CONCEPT CHECK 4.17

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Spahn's Science Lectures

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