What is the global positioning system (GPS)?
A)a system for determining positions on the Earth by careful observations of the Sun and stars
B)a system of determining positions on the Earth by receiving radio signals from many ground-based beacons
C)a system for determining positions on Earth using signals from a set of satellites in Earth orbit
D)a term used to refer to any type of celestial navigation

Question

Quizplus · Accepted Answer

The global positioning system (GPS) is a system for determining positions on Earth using signals from a set of satellites in Earth orbit. This option describes the GPS accurately. Option A describes celestial navigation, option B describes a ground-based beacon system, and option D is too broad and vague.

What Is the Global Positioning System (GPS)