KIDS QUIZ
SPACE EXPLORATION
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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radio telescope
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optical telescope
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interstellar space probe
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Global Positioning System
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Detailed explanation-1: -A GPS (global positioning system) unit uses information from United States satellites to provide an accurate location almost anywhere on Earth. The global positioning system (GPS) is a network of satellites and receiving devices used to determine the location of something on Earth.
Detailed explanation-2: -Satellite Navigation is based on a global network of satellites that transmit radio signals from medium earth orbit. Users of Satellite Navigation are most familiar with the 31 Global Positioning System (GPS) satellites developed and operated by the United States.
Detailed explanation-3: -Each satellite transmits low radio signals with a unique code on different frequencies, allowing the GPS receiver to identify the signals. The main purpose of these coded signals is to allow for calculating travel time from the satellite to the GPS receiver.