define astronomy
What is the study of the moon, stars, and other objects in space?
the Earth with its axis (label)
What is the Earth should be shown with the axis tilted 23.5 degrees from the north/south pole; north pole axis should be pointed toward the right?
define axis
What is an imaginary line that passes through Earth's center and the north and south poles?
Earth with labelled lines of latitude
What is Earth shown with horizontal lines - Earth's equator is 0 degrees; north/south pole is 90 degrees?
define latitude
What is a measurement of distance from the equator?
Earth having day and night
What is Earth and the sun; the side of Earth facing sun is light; Earth's side facing away from the sun is darkened/shaded?
define solstice
What is the longest or shortest day of the year; when noon sun is at 23.5 degrees north or south of the equator?
define revolution
What is the movement of one object around another object?
are the dates for the first day of each season in the northern hemisphere (name each season and give date)
What is Spring: March 21, Summer: June 21, Fall: Sept. 23, and Winter: Dec. 21?