Download Astronomy Terminology and Concepts and more Quizzes Astronomy in PDF only on Docsity! TERM 1 Where does the Andromeda Galaxy lie? DEFINITION 1 Inside the local Super-cluster TERM 2 How long does it take, approx, for light to travel from Sun to Earth? DEFINITION 2 8 minutes TERM 3 Where is the location of the sun in relation the Milky Way Galaxy? DEFINITION 3 Sun is closer to the galactic boundary than to its center. TERM 4 Roughly, at what time of day will a new moon rise? DEFINITION 4 At sunrise TERM 5 If the moon is in the gibbous phase, what can you say about the angular separation between the Sun and the Moon? DEFINITION 5 It is Between 90 - 180 degrees TERM 6 Every celestial object appears to go around Earth once a day. In addition to this motion, which celestial object has the fastest apparent motion in the sky? DEFINITION 6 Moon TERM 7 The strip of the sky through which the Sun, the Moon, and the Planets appear to move is: DEFINITION 7 the Ecliptic TERM 8 During a solar eclipse, if the Moon's umbral shadow does not reach Earth's surface, what kind of eclipse will be seen by those on earth who are right below its umbra? DEFINITION 8 Annular Eclipse TERM 9 The fundamental physical explanation for the motion of the planets in terms of gravitational forces was provided by: DEFINITION 9 Newton TERM 10 What was Ptolemy's explanation for the retrograde motion of the planets? DEFINITION 10 The planets move on epicycles whose center orbits the Earth along the deferent circle TERM 21 T or F? If all galaxies are drifting away from us that means we are at the center of the Universe DEFINITION 21 False TERM 22 T or F? Humans are living on this Earth for about a billion years. DEFINITION 22 False TERM 23 T or F? When it is summer in New York, it is winter in Wellington (New Zealand) DEFINITION 23 True TERM 24 T or F? If Earth's spin axis is perpendicular to the ecliptic, there will be no seasons DEFINITION 24 True TERM 25 T or F? Polynesian sailors living in the south pacific navigated very long distances just by using Polaris as their guide. DEFINITION 25 False TERM 26 T or F? The sky will look the same for all the observers located in the same longitude. DEFINITION 26 False TERM 27 T or F? On the day of the equinox, the Sun rises precisely due East at all geographical locations. DEFINITION 27 True TERM 28 T or F? Solar day on Earth is always longer than the sideral day. DEFINITION 28 True TERM 29 T or F? Polaris has been the pole star since Earth formed. DEFINITION 29 False TERM 30 T or F? Every solar eclipse falls on a Full Moon day DEFINITION 30 True TERM 31 T or F? Copernican model says that all the planets go around the sun in elliptical orbits. DEFINITION 31 False TERM 32 T or F? Kepler was the first to explain what causes the planets to move around the sun. DEFINITION 32 False TERM 33 T or F? A planet in a circular orbit with a constant speed has zero acceleration. DEFINITION 33 False TERM 34 T or F? The total orbital energy of a planet increases as its distance from the Sun decreases. DEFINITION 34 False TERM 35 T or F? Orbital time period of Saturn is smaller than the orbital time period of Venus. DEFINITION 35 False
