The Eclipse Alignment Whiteboard Explainer
A fast narrated marker-drawing explainer that turns an apparent monthly-eclipse paradox into a visible 17° versus 360° alignment test.
Field notes / why it works
By 0:07, a simple monthly orbit sketch has created a clear contradiction, and the opening changes picture ten times in ten seconds. The long evolving diagram from 0:52.6 to 1:36.3 lets viewers keep one spatial model while the hidden tilt is introduced. At 1:38–1:46, the small 17° windows are shown against a full 360° orbit; 1:44.4–1:45.8 is the most-replayed moment.
Plate 01 / The format in one breath
A quick, curious narrator states an everyday observation that seems to imply the wrong answer, then resolves it through marker drawings that build as the words arrive. This example moves from a simple Sun–Moon–Earth lineup to a tilted orbital plane, two crossing points, and finally a small 17° window within a 360° circuit. The draw-along action is the visual engine; the answer only becomes obvious after the viewer has watched the model change.
Why it works
- The mystery is explicit by 0:07, after only the first orbital sketch: if the Moon returns monthly, the viewer expects a monthly eclipse.
- The same three objects are redrawn and rearranged, so the abstract 3D correction at 0:53–1:35 feels like a modification of a known diagram, rather than a new vocabulary lesson.
- The late 17°/360° drawing at 1:38–1:46 turns the answer into a visible proportion. The highest replay point is 1:44.4–1:45.8, while a top comment specifically praises that final angle explanation.
Plate 02 / Format card
| Reference | Reusable target | |
|---|---|---|
| Platform · aspect · length | YouTube · 16:9 · 640×360 source · 2:22 · 24 fps | 1920×1080, 24 fps, about 2:20 |
| Pace | 38 measured shots, 37 cuts, 15.6 cuts/min; 22 internal graphic changes, 24.9 total picture changes/min; mean shot 3.74 s, median 1.08 s | Fast assembly at the start, longer continuous drawing during the model |
| Script | 540 spoken words · 231 wpm over runtime, 256 wpm while speaking · 19 long sentences on average · 12 number mentions | About 500–550 words, broken into shorter sentences for a fresh script |
| Voice | One low-register, quick, animated, conversational narrator; speech begins 0:00.8 and occupies 99% | Curious science-guide archetype, clear and precise |
| On screen | Mostly top-down live-action marker drawing on white paper; brief archival illustration around 0:16; one Earth image around 0:49; gridded orbital sketch around 1:14; black closing artwork and sponsor/end cards after 1:56 | Predominantly drawing, with only essential proof inserts |
| Captions | No spoken-word subtitles. Handwritten labels and numbers appear inside the diagrams. | Label the concept at the moment it is introduced; omit karaoke captions |
| Sound | Continuous low-level tonal bed detected (music-like, source uncertain); no clear cut SFX; −14.3 LUFS integrated | Soft unobtrusive bed, narration dominant, no obligatory whooshes |
| Structure | Paradox → old-source setup → basic shadow model → plane mismatch → nodes and 17° window → answer by ~1:51 → sponsor/closing 1:53–2:22 | Question → physical model → one correction → measured payoff → brief wrap |
Pro / 13 plates + recipe
The first plates are open. The full dissection is Pro.
Get the timed shots, type and sound specs, and the runnable recipe.
Open the full blueprint- Plate 03 / The hook, frame by frame (first 3 seconds)Pro
- Plate 04 / Structure (beat sheet)Pro
- Plate 05 / Shot grammarPro
- Plate 06 / Visual style guidePro
- Plate 07 / Voice and deliveryPro
- Plate 08 / Sound designPro
- Plate 09 / PackagingPro
- Plate 10 / Script templatePro
- Plate 11 / Production planPro
- Plate 12 / PromptsPro
- Plate 13 / Edit recipePro
- Plate 14 / QA checklistPro
- Plate 15 / Make it yoursPro
- Recipe / runnable promptPro