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YouTube

Introductory Astronomy - Magnitudes of Stars

Professor Paul Robinson via YouTube

Overview

Learn about the apparent magnitude and absolute magnitude system in astronomy through this 17-minute video lecture. Explore the differences in star brightness, understanding how distance affects our perception of stellar luminosity. Prepare for the "Apparent and Absolute Magnitude" Lecture Tutorial by examining the challenges in determining true stellar brightness and comparing various stars' apparent magnitudes.

Syllabus

Intro
Do all stars appear the same? How are they different?
Two kinds of Brightness
Apparent Magnitudes
PROBLEM: stars are at different distances from Earth and so it's hard to know which stars are ACTUALLY brighter versus which APPEAR bright
Compare some stars: Apparent

Taught by

Professor Paul Robinson

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