Astronomy - Ch. 17: The Nature of Stars (12 of 37) Brightness Explained (2 Ways)

4,551 views · Published 16 November 2014 · 6:40 · Indexed 25 October 2026

Channel: Michel van Biezen · 2014 · Education

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In this video I will explain the brightness in 2 ways: The amount of visible light an objects puts out per unit time and how bright it appears when it reaches the Earth (lumens).

Next video can be seen at:
http://youtu.be/D783lUZ61yo

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