Exam 15: Place and Time

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

The zeroth latitude is at

Latitude is the angular measurement in degrees

An imaginary line from one geographic pole to the other along the surface of Earth perpendicular to the equator,and that passes through Greenwich,England,is called

The complementary angle of the angle of an object above the horizon is the

It is June 21 and the Sun is to the south.Using a sextant,a ship's captain measures the altitude of the noonday Sun to be 55o.What is the latitude of the ship?

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

The international time standard is

The calendar we presently use is the ______________ calendar.

At the time of the summer solstice,all latitudes from ______________ to 90°N are having 24 hours of daylight.

A ______________ is always shorter than a ______________ .

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

The Greenwich meridian is also known as the

An observer measures the North Star (Polaris)at an altitude of 70°.The observer's latitude is

Coordinated Universal Time (UTC)is based on ______________.

A(n)______________ is any circle on the surface of a sphere whose center is at the center of the sphere.

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

The shortest-daylight day for people in the Southern Hemisphere at latitudes greater than 30°S occurs at the

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

"Zulu" is the designation for ______________ time.