atmosphere the envelope of gases surrounding any celestial body
excellent very good; of the highest quality
standard atmosphere a unit of pressure: the pressure that will support a column of mercury 760 mm high at sea level and 0 degrees centigrade
left hemisphere the cerebral hemisphere to the left of the corpus callosum that controls the right half of the body
western hemisphere the hemisphere that includes North America and South America
eastern hemisphere the hemisphere that includes Eurasia and Africa and Australia
extended time scale (simulation) the time scale used in data processing when the time-scale factor is greater than one
excellence possessing good qualities in high degree
celestial sphere the apparent surface of the imaginary sphere on which celestial bodies appear to be projected
Iceland moss lichen with branched flattened partly erect thallus that grows in mountainous and Arctic regions; used as a medicine or food for humans and livestock; a source of glycerol
Iceland spar a transparent calcite found in Iceland and used in polarizing microscopes
asthenosphere the lower layer of the crust
Saint Elmo's fire an electrical discharge accompanied by ionization of surrounding atmosphere
Saint Ulmo's fire an electrical discharge accompanied by ionization of surrounding atmosphere
magnetosphere the magnetic field of a planet
exclusive admitting or accepting only a particular group
exosphere the outermost atmospheric layer
excellently extremely well
exculpatory clearing of guilt or blame
existential philosopher a philosopher who emphasizes freedom of choice and personal responsibility but who regards human existence in a hostile universe as unexplainable