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Planetary Nebula 3D Explorer vs alternativas
The Planetary Nebula 3D Explorer teaches the slow white-dwarf shell - supernova-remnant teaches fast shocks; star-lifecycle teaches stages.
| Option | Strength | Access | Trade-off |
|---|---|---|---|
| Planetary Nebula 3D (this page) | ~2,600 ly + 20-30 km/s + white dwarf | Free, in browser | Teaching approx / not photoionization model |
| Supernova Remnant 3D sibling | ~1,500 km/s shock + neutron star | Free web | Fast remnant, not planetary nebula |
| Star Lifecycle 3D sibling | Evolutionary timeline | Free web | Stages, not shell geometry |
Start with the step-by-step guide or when to use. Open the Planetary Nebula 3D Explorer.
freetoolonline.com editorial team