SOLAR SYSTEM

UNIVERSE

SPACE EXPLORATION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which are the functions of satellites?
A
Radio communication and television broadcast
B
Predict earth weather
C
Used for exploration on the moon
D
Used by airplanes and ships to determine their position correctly
Explanation: 

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.

There is 1 question to complete.