Astronomy Exam 1 (Chapters 1-5) Questions With 100% Correct!!

Astronomy Exam 1 (Chapters 1-5) Questions With 100% Correct!! A line running from due north to due south through a point directly overhead is called a meridian Residents of the Southern Hemisphere cannot see the stars around the north celestial pole because Earth itself is in the way. A sky observer in the southern hemisphere would see stars moving which way? clockwise Is there any location on Earth where the entire sky is potentially visible within a 24 hour period (ignoring the fact that some stars can't be seen if it is daytime)? At the equator The equator is the only place on Earth where you can see the entire celestial sphere (day or night) over the course of 24 hours. True If a star rises on the eastern horizon, it will set on the western horizon 6 hours later. False Constellations are arbitrary groupings of stars in the sky. True Our Sun is the most massive and luminous star in the Milky Way. False Pluto is the only dwarf planet in our Solar System. False The heavy elements that make up most of Earth were formed via nuclear fusion in the center of our Sun. False The Local Group is a member of the Virgo Supercluster. True If a scientific theory cannot be tested, it is assumed to be true. False A crucial component of a scientific theory is that it is able to be tested by observations and thus proven true or false. True On the autumnal equinox, the lengths of both day and night are 12 hours. True The altitude of the Sun as it crosses the meridian changes during the year. True A person who lives at the equator will see the Sun directly overhead at noon every day of the year. False The seasons on Earth are caused by the change in distance between the Sun and