Structure of the Earth Structure of the Earth The internal structure of the Earth is layered in spherical shells: an outer silicate solid crust, a highly viscous asthenosphere and mantle, a liquid outer core that is much less viscous than the mantle, and a solid inner core. Scientific understanding of the internal structure of the Earth is based on observations of topography and bathymetry, observations of rock in outcrop, samples brought to the surface from greater depths by volcanoes or volcanic activity, analysis of the seismic waves that pass through the Earth, measurements of the gravitational and magnetic fields of the Earth, and experiments
Call of Cthulhu: Dark Corners of the Earth of "Call of Cthulhu: Dark Corners of the Earth" was a commercial bomb, with sales slightly above 5,000 units by the end of 2005. Eurogamer's Kristan Reed called it among "the most disappointing" commercial performances of an Xbox game that year, and noted that it had been released "right in the thick of a busy release period to zero fanfare." "Call of Cthulhu: Dark Corners of the Earth" received generally favorable reviews, but was also often criticized for being buggy and inaccessible for many players because of its high difficulty. GameSpy ranked it as the tenth best game of E3