On July 25, 2018 a fiery object possibly a meteor was detected over Greenland by US Government sensors at an altitude of 43.3 km. Data from NASA shows a record of an object of unspecified size traveling at 24.4 kilometers per second (about 54,000 mph, or Mach 74) almost directly over Thule, Greenland. The energy from the explosion is estimated to be 2.1 kilotons.
It was first tweeted by Hans Kristensen, the director of the Nuclear Information Project for the Federation of American Scientists on Wednesday at 5:14 p.m. ET said: "Meteor explodes with 2.1 kilotons force 43 km above missile early warning radar at Thule Air Base."
However, the Air Force has been silent on the event.
Mr Kristensen argues it’s concerning there was no public warning from the US government about the incident.
Mr Kristensen points to the example of the Chelyabinsk meteor, a 20-metre space rock that exploded in the air over Russia without warning on the 15th of February 2013.
It was the size of a house, brighter than the sun and visible up to 100 kilometres away.
About 1500 people were injured by glass from windows smashing or other effects of the meteor’s impact as it crashed to earth, the biggest known human toll from a space rock.
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