The COSETI Observatory
Stellar Nursery in M16
- 7,000 light years from Earth
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If it is too energy intensive to whiz around the galaxy is space-craft, and if faster than light communications are not possible, then the next best thing for communications between star systems is some form of free-space electromagnetic communications. Which form of electromagnetic interstellar communications technology is more likely to be used by ETIs is the subject of this scientific research activity.
The Electromagnetic Search for Extraterrestrial Intelligence (SETI)
- Microwave SETI
- Optical SETI
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