The 'authorities' are blind and powerless: Earth under threat from dark comets

Earth under threat from dark comets


Comets could be the most significant impact hazard to Earth, with surveys underestimating the number that are potentially devastating by a factor of between 10 and 100.


Astronomers may be missing these so-called ‘dark comets’ because their icy and reflective surfaces have become hidden under an obscuring layer of dust.


[link to www.cosmosmagazine.com]