2023-07-19 19:38:07
With a diameter of nearly 60 meters, the asteroid 2023 NT1 passed on July 13 in front of the Earth at a distance of regarding 100,000 kilometers. This distance is equivalent to a quarter of the distance between our planet and the moon. But 2023 NT1 was not discovered until July 15, 48 hours following having “grazed” the Earth. For what ? Because of the trajectory of the asteroid (11,000 kilometers per second).
“Hidden in the glare of our Sun are an unknown number of asteroids that are on trajectories that we cannot follow,” recalls the European Space Agency.
According to the ESA, it might be a million asteroids with a diameter of 30 to 100 meters. And 98.9% of them have not yet been discovered, according to the space agency. ESA has therefore launched a mission (NEOMIR) to discover these “invisible” asteroids by 2030.
In 2013, in Chelyabinsk, Russia. A meteorite hit the Urals, injuring nearly a thousand people. “No one saw it coming,” says the ESA.
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