Arae otherwise known as Tau Ceti f is the fourth planet in the Tau Ceti star system and is the last terrestrial planet before Hera. Arae is a giant super-earth with an ice sheet covering all of its surface. The higher temperatures at the equator allow for the ice to melt at the bottom of the sheet to form a sub-surface ocean. The planet has strong tectonic activity and moving tectonic plates as can be seen by the cracks in the ice at the poles and the several large volcanos that managed to break though the ice sheet. Arae's atmosphere consists of nitrogen, carbon dioxide, oxygen, and ammonia.


  • Created On: Windows
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  • Radius: 21,828 km
  • Sea Level: None
  • Surface Gravity: 38.7 m/s
  • Rotational Period: N/A
  • Escape Velocity: 41.08 km/s
  • Mass: 2.76E+26kg


  • Height: 247 km
  • Scale Height: 17 km
  • Surface Air Density: 2.886 kg/m3
  • Surface Temperature: 206 K



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    471 heitorM

    Oh my god

    one month ago
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    @Hyperant Dang, thanks man. I wouldnt say im the best because you, eyov2, EinDeutscher, and others have planets that look supirior to mine. And while my planets look neat, they are often basic.

    +1 one month ago
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    9,227 Hyperant

    I like how you make planets so simple yet so pretty. I have too put much effort into making a single moon. I guess you are truly the best planet maker, along side @eyov2

    +1 one month ago


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