Introductory Astronomy: Star Motions at Different Latitudes
Introductory astronomy video lecture demonstrating how apparent motions of the night/day sky look from different latitudes on the Earth. The video features Stellarium, a sky simulator that is free on multiple operating systems: http://www.stellarium.org/

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Journey to the Edge of the Universe in Real Time!

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I taught an octopus piano (It took 6 months)

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How Earth Moves

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Saturn Is The Scariest Planet In Our Solar System

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The Ecliptic

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The Sky Part 1: Local Sky and Alt-Az / Horizon Coordinates

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Introductory Astronomy: The H-R Diagram

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Introductory Astronomy: Magnitudes of Stars

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I Deeply Regret Buying a Celestron EdgeHD 925 for Astrophotography

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10 Billion SUNS: This Star Could Swallow the Entire Solar System

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A 4 3 right ascension declination

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I Made A $30 Tracker, Is It Any Good?

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Special Topics - Lecture 07 - The Celestial Sphere

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Naked Eye Observations: Crash Course Astronomy #2

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History of Astronomy Part 1: The Celestial Sphere and Early Observations

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Arcturus: Brightest Star in Boötes Constellations

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What Does Jupiter Look Like Through 7 Different Telescopes?

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Retrograde Motion

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