Paging Roland Emmerich : The biggest scourge to our small aristocratic planet may turn out to be something that we do n’t see coming … literally . “ Dark comet ” are invisible to detection … and that may be the job .
Ignore anyMarvel Comicsinfluence inferred from the histrionic name ; “ dark comet ” are so - called because they have avoided detection from our puny human technology only , according to New Scientist :
https://gizmodo.com/tomorrows-superheroes-go-darker-than-usual-5099807
risky comet and asteroids are monitor by various space authority under an umbrella exertion have sex as Spaceguard . The vast majority of objects find so far are rocky asteroid . Yet UK - free-base uranologist Bill Napier at Cardiff University and David Asher at Armagh Observatory in Northern Ireland lay claim that many comets could be going undetected . “ There is a slip to be made that dark , dormant comet are a significant but largely unseen endangerment , ” says Napier … In 1983 , Comet IRAS - Araki - Alcock pass by Earth at a aloofness of 5 million kilometres , the closest hump pass by any know comet for 200 eld . It was pick out only two calendar week beforehand of its closest approach . “ It had only 1 per penny of its aerofoil dynamic , ” says Napier . Comet Borrelly , claver by NASA ’s Deep Space 1 probe in 2001 , was find to have exceedingly dark bandage over much of its surface .
choose to look on the bright side of this , there ’s something comforting in have it away that we ’re almost guaranteed end from above , whether it ’s comet we ca n’t see orvarious slice of space debris fall on top of us .
https://gizmodo.com/the-garbage-that-smashed-to-earth-from-space-5152883
Image from NASA ’s Deep Space 1 .
‘ Dark ’ comets may dumbfound threat to Earth[New Scientist ]
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