Eupleides was formed over 4.9 billion years ago when the forces of gravity pulled bits of rocks and gases together. It began as a small massive object in the Luminous Solar System, but as the rocks got bigger, the gravitational pull increased to attract more objects.  Atoms in the rocks were pulled in closer together causing the inner core of the planet to heat up. Eventually the planet became a massive ball of molten rock.  The heavier elements such as iron and nickel sank towards the interior of the planet while the lighter elements such as silicon, aluminum, magnesium, and oxygen floated to the surface.  The planet eventually cooled to form a solid exterior and a hot liquid interior composed of mainly iron.  However due to the tremendous pressure, the inner core of the planet still remains a solid.
 

As the planet continued to undergo major changes, a large land mass composed mostly of granite floated to the top of the ocean forming Rhopendalea.  Due to the cooling process of Eupleides, the crust, composed mainly of granite and basalt, was broken up into 8 main plates.  Two divergent plate boundaries ran through Rhopendalea.As a result, Rhopendalea separated into three smaller continents called Penancea, Rhoneah, and Mandalea.

The divergent plate boundary above the equator continued to separate Penancea from Mandalea.  Penancea was slowly moving northward while  Mandalea and Rhoneah were moving southward.  In addition, another divergent plate boundary caused Mandalea and Rhoneah to separate from each other.  Mandalea moved eastward while Rhoneah moved westward.

As the Penancea plate moved northward, the subduction zone along the western coast of the plate created a volcanic mountain range called the Pandes.  In addition, volcanic eruptions were occurring at Mount Cristo along the eastern end of Penancea. All these events were occurring slowly over millions of years.

Approximately 4.1 billion years ago, Eupleides was hit by an asteroid.  This caused a huge crater on the continent of Mandalea.   After numerous climate changes, the crater was eventually filled with water forming Lake Meismo.

Today, many life forms thrive on the continents and seas of Eupleides.

4.3 billion years ago

4.0 billion years ago

Today

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Eupleides has three beautiful continents, Panancea, Rhoneah, and Mandalea.  Panancea lies along the northern hemisphere and  has a wonderful mountain range along the western coast.  The eastern end of the continent has a volcano that hasn't been active over millions of years.   Rhoneah has a unique coastline along the whole continent.  Mandalea is different from the other two continents because it has Lake Meismo, the biggest freshwater lake on the planet.

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Contour Map of Penancea

Penancea is the only continent on Eupleides with high mountains.  Mandalea has the largest fresh water lake and Rhoneah is the smallest continent with nice coastlines.

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Eupleides has two oceans, Euseus and Capripous, which make up 80% of the planet.  There are five deep zones in the ocean where the temperature can get as cold as 2 degrees Celsius.  In the shallow area, temperatures can range from 5 degrees Celsius to 25 degrees Celsius. 

There are many features along the ocean floor.  Mid-ocean ridges exist along the ocean floor between Penancea and Mandalea plates and also between Mandalea and Rhoneah.  In addition, the coastlines of the continents have gentle slopes creating continental shelves with many diverse sea organisms.

Ocean map of sea floor

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