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Sekami 土
[[File:{{{image name}}}|270px|alt={{{image_alt}}}|Photograph of Sekami taken by the crew of Pioneer I]]
Photograph of Sekami taken by the crew of Pioneer I
Pronunciation /səkami/
Gaea/γαῖα (Athinaian)
Adjectives Sekamian
planetary, wordly
Physical characteristics
Mean radius
8,735.2 km
Equatorial radius
8,752.1 km
Polar radius
8,718.4 km
Circumference 55,013.29 km (equatorial)
54,839.93 km (meridional)
509,677,135 km²
172,965,045.07 km² land (34%)
Volume 2.89×1012 km3
Mass 11.277×1024 kg


Sekami' also called the ground and, less frequently, Gaia, is the 3rd planet from the Eris. It is the densest and sixth-largest of the ten planets in the Eris System. It is sometimes referred to as the Blue Planet.

Name and etymology

Composition and structure


Human geography

Cartography, the study and practice of map making, and vicariously geography, have historically been the disciplines devoted to depicting Sekami. Surveying, the determination of locations and distances, and to a lesser extent navigation, the determination of position and direction, have developed alongside cartography and geography, providing and suitably quantifying the requisite information.

Sekami has reached approximately eleven billions and eight hundred fifty millions (11.85 billions) human inhabitants as of August 30 2015. Projections indicate that the world's human population will reach fifteen billion in 2050. Most of the growth is expected to take place in developing nations. Human population density varies widely around the world, but a majority live in Aisai. By 2020, 60% of the world's population is expected to be living in urban, rather than rural, areas.

It is estimated that only one-sixth of the surface of Sekami is suitable for humans to live on—two-thirds is covered by oceans, and half of the land area is either desert (14%), high mountains (27%), or other less suitable terrain. The northernmost permanent settlement in the world is the Howard Phillips North Pole Station, in Artica. The southernmost is Nankyoku a research station owned by Nakahara.

Independent sovereign nations claim the planet's entire land surface, except for some parts of Artica. As of 2017, there are ??? sovereign states, including the ??? Sekami Nations Alliances member states. In addition, there are ?? dependent territories, and a number of autonomous areas, territories under dispute and other entities. Historically, Sekami has never had a sovereign government with authority over the entire globe, although a number of nation-states have striven for world domination and failed.