The construction of very large artificial objects in space by technologically
advanced beings. Searching for the radiation signatures of such objects,
it has been suggested, represents an important alternative strategy in SETI.
Among those to put forward specific suggestions in this regard are Freeman Dyson, with his remarkable Dyson
spheres, and Nikolai Kardashev, with
his classification scheme for advanced
- Beech, M. "Blue Stragglers as Indicators of Extraterrestrial Civilizations?," Earth, Moon, and Planets, 49, 177-186 (1990).
- Dyson, F. J., "The Search for Extraterrestrial Technology," in Perspectives
in Modern Physics (Essays in Honor of Hans Bethe), R. E. Marshak,
ed., New York: John Wiley & Sons (1966).
• stellar engine
• Shkadov thruster
intelligence, more advanced than us
AND NON-HUMAN INTELLIGENCE