what is space communication.?
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Answer:
Space Communication:
Space Communication means free space communication.
A free space does not have solid particles or ionised particles and it has no gravitational or other fields of its own. When the frequency of transmitted wave is very high the actual space is considered nearly a free space...
Answer:
hey dear ....
NASA spacecraft have studied Earth and the surrounding universe for more than 60 years, making ground-breaking discoveries and enabling human exploration. From hundreds, thousands and millions of miles away, these spacecraft must send their critical information back to Earth and the scientists who can use it.
That’s where NASA’s three space communications networks come in. Each of these networks covers a different portion of the sky, from just hundreds of miles from Earth’s surface to interstellar space. They also use different infrastructure and technology to enable different kinds of missions.