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time for Earth to make a complete rotation on its axis 24-hour interval , day , mean solar day , solar day , twenty-four hour period , twenty-four hours
United States electrical engineer noted for his work on the theory of alternating currents; independently of Oliver Heaviside he discovered the existence of an atmospheric layer that reflects radio waves back to earth (1861-1939) A. E. Kennelly , Arthur Edwin Kennelly , Kennelly
(astronomy) the magnitude that a star would have if it were viewed from a distance of 10 parsecs (32.62 light years) from the earth absolute magnitude
(chemistry) the ratio of the total mass of an element in the earth's crust to the total mass of the earth's crust; expressed as a percentage or in parts per million abundance
building constructed of bricks of earth and straw adobe
relating to the Earth's atmosphere and beyond aerospace
imaginary line connecting points on the Earth's surface where the magnetic declination is zero agonic line
gases surrounding earth air
space in the atmosphere immediately above the earth air space , airspace
mass of air surrounding the Earth air , atmosphere
form of life assumed to exist outside the Earth or its atmosphere alien , extraterrestrial , extraterrestrial being
double star 15.7 light years from Earth; the brightest star in the Aquila constellation Altair
elevation above the Earth's surface altitude
elevation especially above sea level or above the earth's surface altitude , height
metamorphism that occurs deep under the earth's surface; changes simple minerals into complex minerals anamorphism
bulldozer with an angled moldboard to push earth to one side angledozer
parallax of a celestial body using two points in the earth's orbit around the sun as the baseline annual parallax , heliocentric parallax
time of the earth's revolution from perihelion to perihelion again; 365 days and 6 hr and 13 min and 53.1 sec anomalistic year
insect that lives in communities in the earth or in wood ant
mound of earth made by ants as they dig their nest anthill , formicary
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