Intelligent civilization

Pretend you are part of a team that will design a message to an intelligent civilization about life on Earth.

Briefly describe early efforts at interplanetary communication by Marconi and Tesla. Why were these attempts doomed from the start? (30)
Briefly discuss early SETI efforts What do we mean by the bandwidth of a signal and why does SETI concentrate on searching for narrow-bandwidth signals?(30)
What are the three general categories of signals that might be detected at a great distance? What are the current prospects for detecting each type through

SETI efforts? (30)
Summarize the current techniques of radio SETI and some of the major current projects. (30)
What are the three distinct categories of civilzations as outline by Kardashev? Which one(s) can we imagine detecting through their use of resources and why?(30

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