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(#9) We will learn the expansion of the universe also stretches light.

Previous video in this series can be seen at: https://youtu.be/quAT9P3IiD4
Title: Can You Believe It? #36 What is Space (8 of TBD) Hubble Constant and the Age of the Universe

Next video in this series can be seen at: https://youtu.be/QIdz8DR9DbY
Title: Can You Believe It? #36 What is Space (10 of TBD) Temperature of Light