In this modern period thev internet connection isv gettingv slower and slower. So as to increase the speed and for faster communication with satellites, Nasa decided to use lasers. For decades radio waves were used for transmission between earth and satellites.. The transmission rates were in kilo bytes. Optical communication will be more efficient and faster to communicate, gather photographs, data, etc.
Laser communication is ideal for downlink communication from deep space. It will allow astronaut for making live videos at high resolution and getting feedback.. Both radio and laser travel at speed of light, but laser can travel with higher bandwidth than radio waves.. Our future communications will be made with laser.
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