Why we should be doing more to prepare for contact with alien civilisations
Have we already observed alien technology travelling through space? What will happen if Aliens make first contact? Prof Avi Loeb explains.
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Have we already observed alien technology travelling through space? What will happen if Aliens make first contact? Prof Avi Loeb explains.
Since just after the Big Bang, ancient black holes may have been shaping the Universe as we know it. Now, scientists are tantalisingly close to glimpsing these mysterious objects for the first time.
BBC Science Focus Magazine In 2017, the Pan-STARRS telescope in Hawaii spotted an interstellar object passing by Earth for the first time. Shortly after, Harvardâs Prof Avi Loeb was met with a backlash from the scientific community for suggesting it could be of alien origin. Now, several years on he has written a book, Extraterrestrial: The First Sign of Intelligent Life Beyond Earth, outlining why we still canât out rule the possibility, and why scientists should always keep an open mind. Advertisement How do we know that âOumuamua wasnât just a regular comet? Astronomer...