armil Definition

cosmic time, sidereal time, equinoctial point, sidereal day, almucantar, celestial point, lunistice, circumjovial, sidereal year, heliometer, astronomical year, equinoctial circle, spherograph, tropical year, interequinoctial, solar year, solstice, apocynthion, meteoroscope, apolune, inferior planet, line of longitude, binary system, solar day, superior planet, backstaff, apojove, equinoctially, evection, star chart, tellurion, dipleidoscope, lunar year, small circle, lunitidal, lunary, cosmolabe, roman deity, dactylomancy, inner planet, equinox, trioctile, antiscian, superlunar, translunary, midnight sun, triangulum australe, angular distance, major planet, anomalistic year, apastron, semimajor axis, terrestrial telescope, equator, orbital plane, astrocompass, mean solar day, cometarium, tropic of capricorn, ecliptic, magnetic north, demicircle, right ascension, celestial, astronomical, geoselenic, acronycal, moonward, antapex, absolute magnitude, international date line, stauroscope, celestial equator, heliometry, tropic of cancer, acronycally, forestaff, lunar month, uranoscopy, spectrohelioscope, moon, radio astronomy, astromantic, intersidereal, uranology, loxodrome, selenodesy, solar telescope, giant planet, geocyclic, astrometeorology, map projection, aeroscopy, true anomaly, meridian, major axis, amphigean, old moon, isochasm, compass rose,