canis minor, celestial equator, celestial sphere, galactic equator, zodiacal light, capricornus, photosphere, perihelion, ellipse, equinoxes, solstices, asterism, prograde, omega centauri, earthshine, aphelion, occulted, pleiades, moonlet, nebulosity, equator, sidereal, occultation, eclipsing binary, canis major, scorpius, milky way galaxy, oort cloud, radial velocity, sunward, heliopause, epsilon aurigae, hyades, triangulum, chromosphere, perigee, extragalactic, puppis, gibbous, saturnian, corona borealis, arcsecond, equinox, latitudinal, orbits, andromeda galaxy, lagrangian, auroral, annularity, jovian, eridanus, longitudes, syrtis major, perpendicularly, equilateral triangle, umbra, airglow, azimuthal, mesosphere, periodicities, isosceles triangle, collimated, photometry, prime meridian, annular eclipse, ophiuchus, sextile, magnetic flux, midheaven, monoceros, gravitational interaction, zodiacal, protostar, coma berenices, intertropical convergence zone, uranian, unpolarized, cepheus, anticyclonic, vernal equinox, tarantula nebula, ellipsoid, obscuration, aurigae, perseids, themis, sunspots, corot, luminosities, nebula, algol, meteor shower, antiparallel, arcturus, muons, betelgeuse, cirrus cloud, centroid, redshift, obliquity, planets, prominences, zodiac, longitude, parallax, tabernacle, abundances, altitude, altitudes, ark, ascension, cosmos, cost, declination, depth, diameter, dividend, gravitation, height, zenith, geocentric, oesophagus, conic, foetus, larynx, abscissa, azimuth, equatorial, fiducial, geodetic, nodal, axis, deg, equinoctial

ascending node, descending node, equinoctial point, equinox, gemini, inclination, inclination of an orbit, precession of the equinoxes, zodiac, zodiacal light

great circle