Exam 15: Moons and Small Solar System Bodies

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

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

The tropical year is shorter than the sidereal year because Earth's

Which of the following is true? The number of daylight hours depends on

When the IDL is crossed going from east to west, a day is ________.

The international standard time is called ____________.

The 105°W longitude meridian is the center of the ______________ Standard Time zone in the United States.

Earth's axis completes a precession every

When one travels west while passing over the International Date Line,

Which two of the following places are nearest to each other? Place A at latitude 20°N, longitude 90°W Place B at latitude 30°N, longitude 90°W Place C at latitude 30°N, longitude 75°W Place D at latitude 20°N, longitude 75°W

When one travels east while passing over a time zone boundary (ignoring daylight savings time issues),

The calendar we presently use is the ______________ calendar.

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?

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

The Sun appears to travel daily in the sky

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

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

Using a sextant, a ship's captain measures the altitude of the noonday Sun to be 20^o on June 21. What is the latitude of the ship?

The Sun is at the autumnal equinox on ______________.

When the noonday Sun is overhead in London, England, on April 15, what are the standard time and date in San Francisco?