Earth about under the oceans to for the continents. The crust and the cold, rigid, top of the upper mantle are collectively known as the lithosphere, and it is of the lithosphere that the tectonic plates are composed. Beneath the lithosphere is the asthenosphere, a relatively low-viscosity layer on which the lithosphere rides. Important changes in crystal structure within the mantle occur at below the surface, spanning a transition zone that separates the upper and lower mantle. Beneath the mantle, an extremely low viscosity liquid outer core lies above a solid inner core. The Earth's inner core might rotate at a
The Earth Museum are like lamps lighted where we need them most, illuminating what is around them and the way we need to go. The fuel of those lamps is the imagination. Thank you, my Turkish readers and friends and fellow-writers, for keeping the light burning."" (Ursula K. Le Guin, January, 2018) The Earth Museum features Burak Albayrak as the editor, Tuðçe Nida Sevin as the coordinator and includes a preface by Bulent Akkoc. The collection comprises the following short stories: The Earth Museum The Earth Museum () is an anthology of 18 science-fiction stories by 18 Turkish sci-fi writers published in January