What do people need to do to establish contact with extraterrestrial life? What will happen then?

Объяснение:

I think that firstly it is necessary to determine whether extraterrestrial beings are friendly and later to find out for what purpose they came to our planet, perhaps they need help or food. I think that there is nothing wrong with that, because the countries on our planet exchange resources, you can also do it with other planets.

Communication with extraterrestrial intelligence or CETI, is a branch of the search for extraterrestrial intelligence that focuses on composing and deciphering interstellar messages that theoretically could be understood by another technological civilization.[1] The best-known CETI experiment of its kind was the 1974 Arecibo message composed by Frank Drake.

NASA SETI (Search for Extraterrestrial Intelligence) Microwave Observing Project sites.

There are multiple independent organizations and individuals engaged in CETI research; the generic application of abbreviations CETI and SETI (search for extraterrestrial intelligence) in this article should not be taken as referring to any particular organization (such as the SETI Institute).

CETI research has focused on four broad areas: mathematical languages, pictorial systems such as the Arecibo message, algorithmic communication systems (ACETI), and computational approaches to detecting and deciphering "natural" language communication. There remain many undeciphered writing systems in human communication, such as Linear A, discovered by archeologists. Much of the research effort is directed at how to overcome similar problems of decipherment that arise in many scenarios of interplanetary communication.

On 13 February 2015, scientists (including Douglas Vakoch, David Grinspoon, Seth Shostak, and David Brin) at an annual meeting of the American Association for the Advancement of Science, discussed Active SETI and whether transmitting a message to possible intelligent extraterrestrials in the cosmos was a good idea.[2][3] That same week, a statement was released, signed by many in the SETI community, that a "worldwide scientific, political, and humanitarian discussion must occur before any message is sent".[4] On 28 March 2015, a related essay was written by Seth Shostak and published in The New York Times.[5]

In June 2020, astronomers from the University of Nottingham reported the possible existence of over 30 "active communicating intelligent civilizations" (none within our current ability to detect due to various reasons including distance or size) in our own Milky Way galaxy, based on the latest astrophysical information.[6][7][8]

Объяснение:

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