Exam 15: Moons and Small Solar System Bodies

The present standard for time is based on

It is 12:00 noon local solar time at 75 W. The date is March 21. At what longitude would an observer be able to see the last-quarter moon rising?

Longitude can be defined as the angular measurement, in degrees, east or west of the ______________ meridian.

The plane of Earth's equator is tilted ______________° with respect to the plane of Earth's orbit about the Sun.

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?

At what longitude is an observer who sees the last-quarter moon on his meridian when it is 12:00 noon local solar time at 75°W?

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

The number of daylight hours at 40°S is greatest during the month of

For a period after June 21, in Hawaii sunrise occurs ______________ each day.

It is generally believed that there are 7 days in a week because

The altitude of the North Star (Polaris) is approximately

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?

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

The ______________ of a surface position on Earth can be defined as the angular measurement, in degrees, north or south of the equator.

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

If Earth's axis were tilted at 40°, the seasons of the year would

The number of hours of daylight at any place on Earth depends on

The maximum east or west longitude possible is also called the

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

If Earth's axis were tilted at 30°, the daylight hours in Washington, D.C., in June would