algol Definition

60, asterism, canis major, cepheid variable, pleiades, hyades, cepheus, celestial sphere, cassiopeia, proxima centauri, ecliptic, beta centauri, deneb, celestial equator, andromeda galaxy, sidereal, denebola, capricornus, planetoid, mizar, alpha centauri, ursa minor, binary, betelgeuse, meteor shower, nebulosity, eclipsing binary, camelopardalis, epsilon aurigae, arcturus, scorpius, triangulum, achernar, cygni, astrometry, photometry, puppis, aurigae, perihelion, corot, omega centauri, novae, hipparchus, venusian, protostar, periodicities, monoceros, canes venatici, constellations, lyrae, occultation, hubble, uranian, redshift, eridanus, radial velocity, luminosities, nebulae, ophiuchus, arcsecond, equinoxes, perseids, aurora, longitudes, phaethon, tycho brahe, epimetheus, photosphere, obscuration, jovian, orbits, planetary nebula, earthshine, solstices, procyon, aphelion, bootes, vorticity, parsec, minkowski, zodiacal light, johannes kepler, small magellanic cloud, horsehead nebula, milky way galaxy, perigee, uranus, umbral, planets, edmond halley, mimas, leonhard euler, saturnian, astrolabe, prograde, chromosphere, exoplanet, moonlet, irradiance, celestial mechanics,