Youtube activity of "H. de Jong" (@h.dejong2531) on "SmarterEveryDay" channel.
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Commenter youtube id
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H. de Jong
Commenter name
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@h.dejong2531
Commenter name id
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"How Neil Armstrong Trained to Land on the Moon - Smarter Every Day 250"
Comments by video
"I Accidentally Photographed Something Unknown During the Eclipse - Smarter Every Day 298"
"I Asked An Actual Apollo Engineer to Explain the Saturn 5 Rocket - Smarter Every Day 280"
"I Was SCARED To Say This To NASA... (But I said it anyway) - Smarter Every Day 293"
"Where does NASA keep the Moon Rocks? - Smarter Every Day 220"
"Why NASA's Next Space Suits are not Pressurized to 14.7psi - Smarter Every Day 296"