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Questions tagged [meti]

Messaging to Extra-Terrestrial Intelligence - actively sending messages into space in an attempt to contact alien beings. Projects to date have sent messages to specific selected stars.

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3 answers
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How likely are atomic bomb tests to be detectable by human-equivalent extraterrestrial life?

In brightness, a nuclear detonation is comparable to the Sun. Source: "The light of the Atomic Bomb," Clay P. Butler, Science Vol. 138 No. 3539 pg. 483-489, 26 October, 1962 How likely are ...
Ng Ph's user avatar
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2 votes
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How could METI laser pulses be "brighter than the Sun"?

This Astronomy online course page The Search for Extraterrestrial Intelligence contains the following, about half-way down: However, in recent years, human engineers have learned how to make flashes ...
uhoh's user avatar
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Studies that identify the best frequencies for transmitting interstellar messages?

We are searching for extraterrestrial communications from other solar systems, and some consider sending them as well. Are there studies attempting to identify which wavelengths are best suited for ...
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Are we sending data for extraterrestrial SETI/METI?

The SETI project is trying to detect radio transmissions of aliens. Assuming the ET have their own SETI using very similar technology to ours, are we sending data for them to receive? If we are not ...
Joe Jobs's user avatar
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4 votes
1 answer
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Puzzler: Which questions did the Interstellar Rosetta Stone ask of alien civilizations?

The Interstellar Rosetta Stone -- also known as the Dutil-Dumas Message after its inventors -- was a message to extra-terrestrial intelligence (METI). Like the more famous Arecibo Message, it is a ...
DrSheldon's user avatar
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For how many total hours had Arecibo transmitted a signal?

Update: Sadly, parts of the dish have collapsed, several cables have snapped, and the Arecibo radio telescope is now decommissioned and demolition has been recommended because it is now too unsafe to ...
DrSheldon's user avatar
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3 votes
1 answer
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Why were Sónar Calling GJ273b messages called secret?

Sónar Calling GJ273b is in the news, at the time of this question, for sending messages into space in an attempt to contact aliens. Some news sites are calling the messages "secret". Does ...
dreamcatcher's user avatar
5 votes
1 answer
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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 ...
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10 votes
3 answers
477 views

Does man send any signal to attract aliens?

Does man send any signal (such as electromagnetic radiation) to space to attract aliens?
Hash's user avatar
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