Home > Flashcards > Astronomy > Astronomy Book Vocabulary

Details Title: Astronomy Book Vocabulary Description: Chapter 1/Section 1 Total Flash Cards: 10 Created: 06/13/2005 11:27:19	To study from this set of flash cards, or to create your own your own study flash cards, register HERE. If you are already a registered user, CLICK HERE.
Cards Term astronomy Definition the study of the moon, stars, and other objects in space Term axis Definition an imaginary line that passes through Earth's center and the North and South poles, about which Earth rotates Term rotation Definition the spinning motion of a planet about its axis Term revolution Definition the movement of an object around another object Term orbit Definition the path of an object as it revolves around another object in space Term latitude Definition a measurement of distance from the equator, expressed in degrees north or south Term solstice Definition the two days of the year on which the noon sun is directly overhead at either 23.5 degrees South or 23.5 degrees North Term equinox Definition the two days of the year on which neither hemisphere is tilted toward or away from the sun Term vernal equinox Definition the day of the year that marks the beginning of spring in the Northern Hemisphere Term autumnal equinox Definition the day of the year that marks the beginning of fall in the Northern Hemisphere