UNIVERSE
SPACE EXPLORATION
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Radio communication and television broadcast
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Predict earth weather
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Used for exploration on the moon
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Used by airplanes and ships to determine their position correctly
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Detailed explanation-1: -Users of Satellite Navigation are most familiar with the 31 Global Positioning System (GPS) satellites developed and operated by the United States.
Detailed explanation-2: -Transit, any of the first series of U.S. navigation satellites. Launched by the U.S. Navy from 1960 to 1988, the Transit satellites were developed to provide an accurate all-weather navigational aid for seagoing vessels (particularly submarines) and aircraft.
Detailed explanation-3: -GPS is a global navigation satellite system (GNSS); the location of a user can be determined using GPS receivers that receive signals from at least four satellites at an altitude of 20 km. Two methods are used for positioning.
Detailed explanation-4: -Global Navigation Satellite System (GNSS) refers to a constellation of satellites providing signals from space that transmit positioning and timing data to GNSS receivers. The receivers then use this data to determine location.