Questions tagged [radio-communication]

Using radio wavelengths to communicate between multiple spacecraft or between a spacecraft and the Earth.

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1answer
531 views

Were the Voyager Golden Record / Arecibo message tested for decodability

I was wondering if the microgroove golden records they put on the Voyager spacecraft, or the Arecibo message, along with instruction on how to decode it, were first put to the test with the subjects ...
10
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3answers
428 views

Does man send any signal to attract aliens?

Does man send any signal (such as electromagnetic radiation) to space to attract aliens?
14
votes
5answers
2k views

What's stopping space probe communication from being jammed?

Space probes use radio waves to communicate back to Earth - I would imagine a probe sent many decades ago, using very little energy and from very far away would be sending an incredibly weak signal ...
-2
votes
1answer
116 views

Could a planet, moon, or comet having a high concentration of a certain metal disrupt radio transmission?

I have been researching how metals affect radio transmission but have not found anything conclusive to the specific scope about planet density if it is mostly metal. One of the posts that I found ...

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