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Expanding Universe 3D Explorer vs alternativas
The Expanding Universe 3D Explorer teaches space-stretch expansion itself - Redshift Doppler 3D teaches a single moving source; Cosmic Distance Ladder 3D scrubs the wider AU-to-parsec scale.
| Option | Strength | Access | Trade-off |
|---|---|---|---|
| Expanding Universe 3D (this page) | Hubble Law + grid-stretch literacy | Free, in browser | Teaching schematic, compressed scale |
| Redshift Doppler 3D sibling | Single-source wavelength shift | Free web | Not a multi-galaxy expansion view |
| Cosmic Distance Ladder 3D sibling | Full AU-to-parsec ladder | Free web | Not the expansion mechanism itself |
Start with the step-by-step guide or when to use. Open the Expanding Universe 3D Explorer.
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