Exam 15: Place and Time

The number of daylight hours before 12 noon is approximately the ______________ as the number after 12 noon.

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?

At the time of the summer solstice,in the United States,

The point in the sky directly above an observer's head is called the ______________.

A line of equal latitude is called a(n)______________.

The international standard time is called ______________.

At noon on June 21,the Sun is directly overhead at a latitude of

The longest-daylight day for people in the Northern Hemisphere at latitudes greater than 25°N occurs when the noon Sun is overhead at the

Six months of daylight at the North Pole begins when the Sun is at the

The longest-daylight day for people in the Northern Hemisphere at latitudes greater than 30°N occurs at the

The angle measured from the horizon to the line of sight to the celestial object is called the ______________.

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

A sidereal day is ______________ than a solar day.

The ______________ calendar is most used around the world.

Some people mistakenly call noon and midnight ______________ and ______________.

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

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

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

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

Determine the maximum altitude of the Sun on December 22 for an observer located at 30°N.