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https://www.forbes.com/sites/jamiecartereurope/2020/06/15/there-are-36-intelligent-alien-civilizations-in-our-galaxy-say-scientists/#7ff6872a694f

There Are At Least 36 Intelligent Alien Civilizations In Our Galaxy, Say Scientists

2020-06-15 00:00:00, Jamie Carter, Forbes

Content Categorization
/Science/Astronomy
/Business & Industrial/Aerospace & Defense/Space Technology

Word Count:
669

Words/Sentence:
20

Reading Time:
4.46 min

Reading Quality:
Intermediate

Readability:
11th or 12th

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Now a group of scientists at the University of Nottingham think they've come up with a new "cosmic evolution"-based calculation-or, rather, an estimation-that suggests that there are likely to be at least 36 ongoing intelligent civilizations in our Milky Way galaxy.

The calculation-which says that there could be 36 active communicating intelligent civilizations in our home galaxy on 4.5-billion years old (or more) Earth-like planets around Sun-like stars-is called the "Astrobiological Copernican Limit" by the researchers.

"Searches for extraterrestrial intelligent civilizations not only reveals the existence of how life itself forms, but also gives us clues about how long our own civilization will last," said Christopher Conselice, Professor of Astrophysics at the University of Nottingham, who led the research.

MORE FROM FORBESWe'll Clean-Up Space Junk Using Sticky Foam 'Spiderwebs' In Orbit, Says Russian Space Start-UpBy Jamie Carter

It actually makes a lot of assumptions.

However, the authors note that the average distance to one of these 36 civilizations is around 17,000 light-years, so detection and communication is currently impossible.

Keywords
aliens, astronomy, exoplanets, 36 alien civilizations, SETI CETI

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