Youtube activity of "Petyr Kowalski" (@petyrkowalski9887) on "John Michael Godier" channel.
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UCteFaxVTKmpiWfu-uJWcWbQ
Commenter youtube id
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Petyr Kowalski
Commenter name
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@petyrkowalski9887
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"10 Things About the Universe That we may Never Understand"
Comments by video
"Are We Among the First Civilizations in the Universe?"