Why Apollo Astronauts Trained in Nuclear Bomb Craters: proper space history, properly explained
Thirteen minutes of real science communication. Archival explosion footage included, so it's one for the child who won't be rattled by it.
Derek Muller digs into why NASA sent astronauts to train in nuclear test craters before the Moon landings, and the answer is more interesting than the premise sounds. It's a proper explainer at a measured pace, not a dumbed-down one, so it rewards a child who already likes space and wants the real answer. There is archival nuclear test footage in here, so it suits a curious older child rather than a sensitive younger one.
At a glance
Will it actually calm them down?
Helps take the edge off a Windy dayScores measure how reliably this video moves a child toward a settled, regulated state. In the Piko app, kids tell us their weather and we do the matching automatically.
Which kids will love it?
Why it works
Veritasium's whole appeal is that it treats children (and adults) as capable of following a real explanation. The average shot here runs 6.5 seconds, which is slow and steady by YouTube standards, giving a young viewer time to actually absorb what they're being shown rather than just react to it.
The instructional level is medium, meaning there's genuine content to learn here, but it arrives suggestion-based and autonomy-respecting rather than as a lecture. Nobody is quizzed, nobody is told to concentrate. A curious child gets pulled along by the mystery of the premise (why craters? why nuclear ones?) rather than pushed through a syllabus.
The one thing to know going in: this uses real archival footage of nuclear test explosions to make its point about crater geology, presented in a historical, factual context rather than a sensationalised one. Our scoring flags it as unsuitable for very young children who might be scared by explosion footage, and that's a fair caution. For the space-and-science-obsessed 9 to 11 year old, though, this is exactly the sort of thing that turns a passing interest into a proper one.
When to reach for it
- The genuine curiosity itch. For the child who's already asking "but why?" about space and wants a real answer, not a simplified one.
- Homework-adjacent viewing. Space, geology and the Apollo missions in one dig; useful background for school topics on the Moon or the Space Race.
- Twenty minutes to cook dinner. Long enough to buy proper kitchen time, engaging enough that you won't hear from them until the credits.
Sensory & SEN notes
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Questions parents ask
What age is this best for?
Our scoring puts the sweet spot at 9 to 11, where the instructional level and pacing suit a child who can sit with a real explanation rather than needing it broken into shorter chunks.
Is the nuclear bomb footage scary?
It's real archival test footage, used to explain crater geology rather than for shock value, but our scoring does flag it as unsuitable for very young or easily frightened children. Watch first if you're unsure.
Does it actually teach anything, or is it just entertainment?
Genuinely both. It's rated medium on instructional level, meaning there's real science and history content, delivered without demand language or quizzing, so it lands as interesting rather than like a lesson.
Is Derek Muller's presenting style calm or shouty?
Calm and measured throughout. No hype, no "smash that subscribe button" energy, just a proper explainer paced for people who want to understand something.
40+ checks per video, with a final pass from the review desk · Scored 17 July 2026 · We do not host videos; playback is via YouTube's official embed.