Exam 15: Place and Time

An attempt to remedy the difference in apparent solar days was the calculation of a

If it is 10:00 A.M.EST in Washington,D.C.,what is the time in Denver,Colorado,the longitude of which is 30° more westerly?

The farthest point of the Sun from the equator is known as the

The altitude of the North Star (Polaris)is approximately

The International Date Line is a theoretical line following approximately the ______________ meridian.

The maximum east or west longitude possible is also called the

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

Earth's axis completes a precession every

The 120°W longitude meridian is the center of the ______________ Standard Time zone in the United States.

Determine the maximum altitude of the Sun on June 21 for an observer located at 30°N.

Suppose you start at Washington,D.C.(39°N,77°W),and travel 400 nautical miles due south,then 400 nautical miles due east,then 400 nautical miles due north,and then 400 nautical miles due west.Where will you arrive with respect to Washington,D.C.? That is will you be at the starting point,or north,south,east,or west of the starting point?

What are the latitude and longitude of a place on Earth directly opposite Columbia,South Carolina,which is at 81°W,34°N?

A line of equal longitude is called a

The four seasons-spring,summer,fall,and winter-are caused by the Sun's changing its daily altitude over a period of 1 year.The Sun's altitude changes

Six months of darkness at the South Pole begins when the Sun is at the

Which of the following divisions of time cannot be changed by a human decision?

______________ is defined as the angular measurement,in degrees,east or west of the reference meridian.

When Daylight Saving Time is initiated in the spring,people in the United States who continue to go to work at the same time leave

If it is 10:00 A.M.EST in Washington,D.C.,what is the time in San Diego,California,the longitude of which is 45° more westerly?

Consider the following pairs of points:?F: 0°N,40°W G: 70°N,60°W? 0°N,20°W 70°N,40°W??H: 20°S,130°E J: 30°S,170°E? 20°S,150°E 30°S,170°W??Which pair is closest together?