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AVSC 3400 Module 12 Quiz

Terms in this set (10)

What calendar was based on the assumption that the year is 365.25 days long?
Gregorian Calendar
Universal Coordinated Time is the same time as what time zone?
Greenwich Mean Time
GPS is synchronized with UTC (Universal Coordinated Time).
True
The Earth travels around the Sun on what type of orbit?
Elliptical orbit
The world is divided into 24 time zones.
True
The Earth is steadily increasing its rotational speed.
False
The mean solar day is defined as an interval of time equal to the average length of all the individual solar days of the year.
True
What are the two organizations within the U.S. government primarily responsible for providing time and frequency information?
National Bureau of Standards (NBS) & U.S. Naval Observatory (USNO)
The most widely used modern day calendar is based on which of the following calendars?
Gregorian Calendar
The United States, excluding Alaska and Hawaii, is divided into how many times zones?
4
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