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originally posted by: schuyler
And if it were a proto Dyson Sphere.. thank gawk any signal we could have produced won't get there for at least 1350+ year or more...edit on 13-10-2015 by slip2break because: (no reason given)
originally posted by: reldra
a reply to: slip2break
Black holes will eat light. I am not aware of anything else that could...but that doesn't mean there isn;t something else there. Nice find. s&f
originally posted by: slip2break
And if it were a proto Dyson Sphere.. thank gawk any signal we could have produced won't get there for at least 1350+ year or more...
The technique applied by Professor Garrett can also be used to help identify less advanced (Kardashev Type II) alien civilizations that command more limited resources on sub-galactic scales. Such civilizations are still considerably more advanced than our own (Earth is not yet on the Kardashev Type I scale) but they might be more common as a result.
Professor Garrett has plans to look for these less advanced civilizations: “It’s a bit worrying that Type III civilizations don’t seem to exist. It’s not what we would predict from the physical laws that explain so well the rest of the physical universe. We’re missing an important part of the jigsaw puzzle here. Perhaps advanced civilizations are so energy efficient that they produce very low waste heat emission products — our current understanding of physics makes that a difficult thing to do. What’s important is to keep on searching for the signatures of extraterrestrial intelligence until we fully understand just what is going on.”
originally posted by: 3n19m470
Taking energy from the sun seems to us an obvious way to produce great amounts of energy, and perhaps that is the path this hypothetical civilization took. But I would not say it is a given for any advanced civ. Some may discover other forms of energy, and energy extraction/harvest. Forms that do not require such gigantic structures, perhaps.
For alien life to visit us they must be hundreds of thousands of years more advanced than us