How to detect massive alien spaceships powered by stars
Some visionaries speculate that extraterrestrial civilizations may be capable of using the energy extracted from their suns to power planet-sized spaceships. A professor from the University of Edinburgh says he knows how we might be able to find such objects. Top image: Julian-Faylona. In 1948, astronomer Fred Zwicky, the esteemed co-discoverer of dark matter, speculated…
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Ray Villard