Mathematical Astronomy Morsels, Tập 1Willmann-Bell, 1997 - 379 trang |
Thuật ngữ và cụm từ thông dụng
Aldebaran annular eclipse aphelion approximately April arcsecond ascending node asteroid astronomical units August axis barycenter calculation celestial centuries Ceres chapter column comet curve dates degrees disk Earth Earth's surface eccentricity eclipsed Moon equator equinox event exactly February Figure formula Full Moon geocentric given heliocentric heliocentric longitude instance interval January July June Jupiter latitude libration lunar eclipses lunar orbit lunar phases magnitude March maximum mean value Mercury minor planet Moon's motion Neptune northern November occultation occur October opposition orbital inclination Pacific Ocean partial eclipse path penumbral penumbral eclipse perigee perihelion perturbations planetary Pluto Pole region of visibility Regulus respect revolution period right ascension Saros satellite Saturn September sidereal solar eclipse southern hemisphere southern limit Spica star sunspot Table take place total eclipse triple conjunction umbra Uranus variation Venus zero