Thaecia
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Designations | |
---|---|
The World | |
Orbital characteristics | |
365.256363004 days(1.00001742096 years) | |
Average orbital speed | 29.18 km/s(105000 km/h; 65300 mph) |
Satellites | 2 |
Thaecia, also known as the World, is the third planet from the Sun and is the only object in the universe known to harbor life. It is the densest planet in the Solar System. Based on radiometric dating, among other sources of evidence, the World is estimated to be approximately 4.54 billion years old. Thaecia has two natural satellites, the larger of which is commonly referred to as simply the Moon. Over the course of one complete orbit around the Sun, the planet makes approximately 365 rotations on its axis.