Design a 10th planet making decisions about size, spin, tilt, rings, atmosphere and biology.

planet_10

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Wouldn’t it be cool to design a 10th planet. While now you can! The are 4 categories when designing planet 10. First there’s the physics, you will have choose its size, spin, tilt, rings, and moon. For the chemistry aspect, you have to create its surface and atmosphere. For the surface, you choose the percentage of rock and water. For the atmosphere, you choose the percentage of nitrogen, oxygen, and carbon dioxide. In the biology section you select if you want bacteria, plants, animals, visitors, and aliens. Finally, you choose the distance from the Sun and the planet’s orbit.