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Como explorar Dark Matter Rotation Curves 3D Explorer
Abra o Dark Matter Rotation Curves 3D Explorer, arraste o controle de raio pelo disco e alterne o halo de materia escura para ver o que cada parte da cena representa.
- Abra https://freetoolonline.com/space-3d/dark-matter-rotation-curves.html e espere o disco de pontos aparecer.
- Arraste o controle de raio para cerca de 8 kpc - perto da distancia do Sol ao centro galatico.
- Leia o painel de fatos: a velocidade observada perto de 220-240 km/s contra a previsao baseada so na massa visivel naquele raio.
- Arraste o controle para 20-25 kpc e veja a diferenca entre as duas curvas aumentar.
- Clique em "Hide dark-matter halo (inferred)" para ver a cena sem o halo tenue, depois clique de novo para traze-lo de volta.
Numeros principais da curva de rotacao
| Grandeza | Valor |
|---|---|
| Distancia do Sol ao centro galatico | ~8.1-8.2 kpc |
| Velocidade da curva plana | ~220-240 km/s |
| Borda do disco visivel | ~10 kpc |
Next: the when guide or vs alternatives. Open the Dark Matter Rotation Curves 3D Explorer.
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