Exam 15: Moons and Small Solar System Bodies

The imaginary line encircling Earth at its surface, halfway between the north and south geographic poles, is called the

Some people mistakenly call noon and midnight ______________ and ______________.

The first mate of a pirate ship shoots the noonday Sun with a sextant and measures the altitude to be 50^o to the south on December 21. The time on the ship's clock is 4 P.M. (GMT). What are the longitude and latitude of the ship?

Our current calendar is the____________ calendar.

The number of daylight hours at 35°N is greatest during the month of

At which latitude is the noonday Sun overhead twice a year?

Our present days of the week are related to the names of the Sun, the Moon, and ______________ planets.

In the United States, the southernmost point of the Sun is known as the ______________.

When one crosses the International Date Line traveling eastward, one day is ______________ the present date.

At which latitude is the noonday Sun overhead only once a year?

An imaginary line from one geographic pole to the other along the surface of Earth perpendicular to the equator is called

An observer measures the North Star (Polaris) at an altitude of 40°. The observer's latitude is

The Julian calendar assumed that there were ______________ days in a year.

On December 21, the noonday Sun is overhead at what latitude?

The ______________ angle is measured between the horizon and the line of sight to the object.

The main purpose of DST is to save _____________.

The longest day (daylight) of the year for the Northern Hemisphere occurs at the time of the

The apparent amount of time it takes for Earth to complete a rotation on its axis is called a

An observer measures the North Star (Polaris) at an altitude of 30°. The observer's latitude is

On September 22 or 23, the noonday Sun is overhead at what latitude?