Exam 2: Users Guide to the Sky: Patterns and Cycles

For an observer in Lusaka, Zambia, at a latitude of 16° South, what is the angle between the southern horizon and the south celestial pole?

Which of the following statements correctly describes the relationship between stars and constellations?

Through the year, the Sun moves eastward among the stars following a line called the

For an observer in New Delhi, India, at a latitude of 28° North, what is the angle between the northern horizon and the north celestial pole?

Why does the Gregorian calendar use leap years?

Polaris has always been the star nearest the north celestial pole.

A lunar eclipse can only occur during the full phase of the Moon, i.e. when the Moon is full.

What is the term for a solar eclipse in which the Moon's umbra reaches the Earth's surface?

In which direction does the daily motion of the Moon occur in the sky, against the background stars, when viewed from the Earth?

On a clear night, when an observer in Vancouver sees a first quarter Moon, what would an observer in St. John's see?

Where in the sky would an observer at the Earth's equator see the celestial equator?

What is the approximate latitude of the observer in the diagram?

The star delta Cephei has a declination of about +58.5 degrees. Which observer will see it above their horizon for the longest fraction of one night?

During the month of June, the north celestial pole points towards Polaris; where does it point during the month of December?

-The diagram shows three approximate locations of the Sun along the western horizon. Which number indicates the location of the Sun at sunset on December 21st (winter solstice) for an observer at latitude 48° North?

Which of the following describes the magnitude scale?

Which of the following describes a concept very similar to latitude?

Seen from Winnipeg (latitude 50 degrees North), where is the star Polaris in the sky?

If the Moon is setting at noon, what phase must the Moon be in?

What is the angle between the noon Sun at the winter solstice and the southern horizon for an observer at a latitude of 38° North?