Youtube activity of "Mark Dowse" (@markdowse3572) on "The Secrets of the Universe" channel.
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UCg2dJf1OWIR-n4O7y0AzEag
Commenter youtube id
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Mark Dowse
Commenter name
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@markdowse3572
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"Hubble Faces a Series of Glitches"
Comments by video
"Plot Twist: The Dinosaur-Killing Asteroid Didn't Come Alone"