The ancient Greeks knew that as they traveled south they would see stars above
the southern horizon that could not be seen from Greece. Conversely, when they
traveled north, stars that they could see in Greece no longer rose above the
Section 1-4 of Comins and
the Universe, 7th Ed.,
discusses diurnal motion.
Every day, the Sun rises in the east and moves (or appears to move) toward the
west across the sky, finally setting below the western horizon.
Student Testing Program Guide
What is STAAR?
STAAR stands for State of Texas Assessments of Academic Readiness,
which is the states student testing program. The assessments are based
on the Texas Essential Knowledge and Skills, which are the state curricu
After completing this exercisethe studentwill be
1. convert Universal Time to the observers local
time zone, such as EST, EDT, CST, etc.
2. compare times of new or full moon to the time
of nodal passage to predict t