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Questions tagged [communication]

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3
votes
1answer
97 views

How to send information from the far side of the moon to Earth

Chang-E has just sent a shot after landing on the far side of the moon. It looks tricky, how can a device send information from a place that is oriented opposed to Earth?
3
votes
1answer
66 views

Current delay for radio signals from the Mars InSight mission

I've been meaning to post it on the day when InSight landed but just got around to it now. When they broadcasted landing in real-time, it really wasn't in real-time because radio signals from Mars ...
2
votes
1answer
55 views

Communication for far away satellites

Today in the tech age we have many communication technologies cell tower for cell phones, wifi, nuclear subs have some classified method of communication, etc. What communication technology is ...
4
votes
2answers
178 views

Power requirement for transmitting communications further than 1 ly?

The StarShot project from Breakthrough Initiatives aims to send a paper light spacecraft to alpha centauri using pressure from a laser located on earth at 20,000kms. What are the options for a ...
0
votes
1answer
67 views

How was Sugar Grove Station supposed to work?

Sugar Grove Station was an outpost designed to listen in on Soviet radio signals reflected off the moon. How would this work? Wouldn't the radio signals be distorted by the imperfect surface of the ...