annularity Definition

umbral, annular eclipse, celestial equator, ecliptic, perihelion, aphelion, sidereal, celestial sphere, perigee, partial eclipse, arcsecond, photosphere, moonset, moonrise, tropopause, heliopause, solar eclipse, occultation, meteor shower, meteoroid, eclipse, northeastwards, obliquity, lunar eclipse, syrtis major, meridional, cyclogenesis, obscuration, zodiacal light, sunspot, irradiance, millibar, capricornus, orbital velocity, equator, mesosphere, oort cloud, counterclockwise rotation, vorticity, galactic equator, magnetopause, cumulonimbus cloud, poleward, altocumulus, longitudes, duststorm, meteors, groundspeed, roaring forties, eridanus, quadrantid, beaufort scale, synchronous orbit, anticyclone, nmi, klm, earthwards, triangulum, seawards, saturnian, attosecond, cumulus cloud, prominences, geosynchronous orbit, isotherm, equatorial, prograde, nubian desert, cirrus cloud, airglow, advection, parsecs, moonlet, southeastwards, ballistic trajectory, hypocenter, deg, thundery, kelvin, ushant, epsilon aurigae, marquesas islands, kts, thunderclouds, austral islands, parabola, equilateral triangle, radians, equinox, intertropical convergence zone, hilal, nyiragongo, exosphere, asterism, autumnal equinox, thermal equilibrium, orbits, aurora, photoemission, mimas,