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Earth cutaway from core to exosphere. Partially to scale. Travelling to the Earth's center is a popular theme in science fiction. Some subterranean fiction involves traveling to the Earth's center and finding either a hollow Earth or Earth's molten core. Planetary scientist David J. Stevenson suggested sending a probe to the core as a thought ...
Earth's inner core is the innermost geologic layer of the planet Earth. It is primarily a solid ball with a radius of about 1,220 km (760 mi), which is about 20% of Earth's radius or 70% of the Moon's radius. [1] [2] There are no samples of the core accessible for direct measurement, as there are for Earth's mantle. [3]
The temperature increases towards the center of the Earth, and the higher temperature of the fluid lower down makes it buoyant. This buoyancy is enhanced by chemical separation: As the core cools, some of the molten iron solidifies and is plated to the inner core. In the process, lighter elements are left behind in the fluid, making it lighter.
Septerra Core: Legacy of the Creator is a role-playing video game developed by Valkyrie Studios and published by Monolith Productions. It was originally released in 1999 for Windows ; since then, it has been re-released via GOG.com for Windows in 2009, for OS X in 2013, and for Linux in 2017.
Geologic map of North America, color-coded by age. From most recent to oldest, age is indicated by yellow, green, blue, and red. The reds and pinks indicate rock from the Archean. Mantle convection, the process that drives plate tectonics, is a result of heat flow from Earth's interior to Earth's surface.
J. R. R. Tolkien's design for his son Christopher's contour map on graph paper with handwritten annotations, of parts of Gondor and Mordor and the route taken by the Hobbits with the One Ring, and dates along that route, for an enlarged map in The Return of the King [5] Detail of finished contour map by Christopher Tolkien, drawn from his father's graph paper design.
The Exandrian Accord brought together nations and factions from across the world to form a military alliance in opposition to the forces of Ruidus; [6] [7] Bells Hells, along with the adventuring parties Vox Machina and Mighty Nein, lend their aid as coordinated strike teams against various Ruidian targets.
The internal structure of Earth. Earth's mantle is a layer of silicate rock between the crust and the outer core.It has a mass of 4.01 × 10 24 kg (8.84 × 10 24 lb) and makes up 67% of the mass of Earth. [1]