An astronomer calculated that Earth’s intelligent life is probably ‘rare’. Here’s what that means.

References

TitleAn astronomer calculated that Earth’s intelligent life is probably ‘rare’. Here’s what that means.
Degree of recognitionInternational
Media name/outletLive Science
Media typeWeb
CountryUnited Kingdom
Date26/05/20
DescriptionAn article for Live Science.
Producer/AuthorRafi Letzter
URLhttps://www.livescience.com/intelligent-life-rare-or-common-on-Earth.html
PersonsIsabelle Winder