Popular Astronomy, Volume 14

Algol Type Androm angle appear Aquarii Aquilae astronomers Aurigae axis Babylonian bright Camelop Cassiop Cephei circle comet computed constellation corona Cygni Decl determined diameter disk distance double stars Draconis Earth eclipse elements ephemeris equator error give given Goodsell Observatory Greenwich Greenwich Mean h d h Harvard College Observatory Herculis inches instrument interest July June Jupiter latitude Lick Observatory light longitude Lyrae magnetic magnitude mass mean measures method miles Milky minima minimum month Moon Moon's motion nebula observations obtained Ophiuchi orbit parallax Pegasi perihelion period Persei photographs planet plates POPULAR ASTRONOMY position probably Professor proper motion right ascension rotation Sagittarii satellites Saturn Sept solar Spectroheliographs spectroscopic spot Struve Sun's surface Tauri telescope temperature theory tion Variable Stars velocity Virginis Yerkes Observatory