Anagrams of: ORTHOTONESIS_

• the line at which the sky and Earth appear to meet

• the range of interest or activity that can be anticipated

• a specific layer or stratum of soil or subsoil in a vertical cross section of land

• the great circle on the celestial sphere whose plane passes through the sensible horizon and the center of the Earth

• a musical stringed instrument with strings stretched over a flat sounding board; it is laid flat and played with a plectrum and with fingers

• the line at which the sky and Earth appear to meet

• the range of interest or activity that can be anticipated

• a specific layer or stratum of soil or subsoil in a vertical cross section of land

• the great circle on the celestial sphere whose plane passes through the sensible horizon and the center of the Earth

• the point above the observer that is directly opposite the nadir on the imaginary sphere against which celestial bodies appear to be projected

• a musical stringed instrument with strings stretched over a flat sounding board; it is laid flat and played with a plectrum and with fingers

• the point above the observer that is directly opposite the nadir on the imaginary sphere against which celestial bodies appear to be projected

• a musical stringed instrument with strings stretched over a flat sounding board; it is laid flat and played with a plectrum and with fingers

• preceding even the first

• German physicist who was the first to produce electromagnetic waves artificially (1857-1894)

• the unit of frequency; one hertz has a periodic interval of one second (named for Heinrich Rudolph Hertz)

• German physicist who with James Franck proved the existence of the stationary energy states postulated by Bohr (1887-1975)