Individual #Earth.terrestrial_planet__earth__globe  the 3rd planet from the sun; the planet on which we live; "the Earth moves around the sun"; "he sailed around the world"
  instance of:  #terrestrial_planet
  member of:  #solar_system
  part:  #atmosphere  the mass of air surrounding the Earth; "there was great heat as the comet entered the atmosphere"
     part:  #ionosphere  the outer region of the Earth's atmosphere; contains a high concentration of free electrons
        part:  #D-layer__D_region  the lowest region of the ionosphere (35 to 50 miles up) that reflects low-frequency radio waves
        part:  #Appleton_layer__F_layer__F_region  the highest region of the ionosphere (from 90 to 600 miles up) that contains the highest concentration of free electrons and is most useful for long-range radio transmission
        part:  #Kennelly-Heaviside_layer__Heaviside_layer__E_layer__E_region  a region of the ionosphere (from 50 to 90 miles up) that reflects radio waves of medium length
  part:  #hemisphere  half of the terrestrial globe
  part:  #Van_Allen_belt  a belt of charged particles (resulting from cosmic rays) above the Earth trapped by the Earth's magnetic field
  part:  #hydrosphere  the watery layer of the earth's surface; includes water vapor
     part:  #body_of_water__water  the part of the earth's surface covered with water (such as a river or lake or ocean); "they invaded our territorial waters"; "they were sitting by the water's edge"
     part:  #briny  any very large body of (salt) water
        part:  #high_sea__international_waters  the open seas of the world outside the territorial waters of any nation
        part:  #offing  the part of the sea that can be seen from the shore and is beyond the anchoring area; "there was a ship in the offing"
        part:  #territorial_waters  the waters surrounding a nation and its territories over which that nation exercises sovereign jurisdiction
     part:  #ocean  a large body of water constituting a principal part of the hydrosphere
     part:  #sea  a division of an ocean or a large body of salt water partially enclosed by land
        part:  #bay  an indentation of a shoreline larger than a cove but smaller than an gulf
        part:  #gulf  an arm of a sea or ocean partly enclosed by land; larger than a bay
        part:  #inlet__recess  an arm off of a larger body of water (often between rocky headlands)
  part:  #dry_land__dryland__land__earth__solid_ground__solidground__terrafirma  the solid part of the earth's surface; "the plane turned away from the sea and moved back over land"; "the earth shook for several minutes"; "he dropped the logs on the ground"
  part:  #lithosphere__geosphere  the solid part of the earth
     part:  #core.midpoint  the central part of the earth
     part:  #Earth's_crust__crust  the outer layer of the Earth
        part:  #asthenosphere  the lower layer of the crust
     part:  #mantle.layer  the layer of the earth between the crust and the core
        part:  #lower_mantle__lowermantle  the deeper part of the mantle
        part:  #upper_mantle__uppermantle  the upper part of the mantle
     part:  #Earth's_surface__surface  the outermost level of the land or sea; "earthquakes originate far below the surface"; "three quarters of the Earth's surface is covered by water"
        part:  #body_of_water__water  the part of the earth's surface covered with water (such as a river or lake or ocean); "they invaded our territorial waters"; "they were sitting by the water's edge"
        part:  #opening.space__gap  an open or empty space in or between things; "there was a small opening between the trees"; "the explosion made a gap in the wall"
  part:  #sky  outer space as viewed from the earth
     part:  #cloud.atmospheric_phenomenon  a visible mass of water or ice particles suspended at a considerable altitude
     part:  #rainbow  an arc of colored light in the sky caused by refraction of the sun's rays by rain

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