Why Mars is red: rust, dust, and a wetter past
A 6-beat faceless video outline for “Why Mars is red: rust, dust, and a wetter past” in the Space and astronomy facts niche, derived from caption timing of 2 reference videos.
Angles
- Answer fast: the surface is literally rusty — iron oxide
- Explain colour itself: surfaces absorb some wavelengths and reflect the rest
- Dust as the delivery system: global storms spread the rusty layer everywhere
- Twist: dig a few centimetres and the ground isn't red; and the sky colours flip at sunset
Beat-by-beat structure
- Hook (0:00–0:20): the 'red planet' named for war — why that colour?
- Colour 101 (0:20–1:00): red surfaces absorb blue/green and reflect red.
- Rust (1:00–2:00): iron-rich minerals oxidised; one hypothesis ties it to water long ago (label as debated).
- Dust (2:00–3:00): fine grains carried planet-wide by storms; why it coats everything, including rovers.
- Below the surface (3:00–3:45): lander and rover tracks reveal darker, less oxidised ground.
- Sky twist + recap (3:45–5:00): butterscotch daytime sky, bluish sunsets; recap in three lines. Original narration only.
Method
yt-dlp VTT captions (manual/uploader only) → timed beat heuristics → editorial topic synthesis (no ASR). Structure only; write original narration.