It was called WJ1 and it landed on November 19, not far from Toronto (Canada🇧🇷 According to my numberwhich broadcasts an announcement from the European Space Agency (ESA), the fall of an asteroid could be perfectly planned.
The Catalina Sky Survey Observatory (University of Arizona, USA) managed to detect the celestial object four hours before it entered the Earth’s atmosphere. In the process, it alerted the Minor Planet Center, which is responsible for asteroid detection.
a perfect estimate
The scientists worked together to determine the precise time and location of the point of impact. As predicted, the asteroid struck at 3:30 am in an area between Lake Erie and Lake Ontario, near the Canada-US border.
“Exactly at the scheduled time, the asteroid re-entered the atmosphere and became a bright fireball in the sky, just above the announced location,” the ESA greeted. The rock with a diameter of one meter did not cause damage.
Earlier this year, on March 11, a Hungarian astronomer had already predicted the fall of an asteroid in Iceland. However, this calculation is far from trivial: it is only the sixth time in history that the scientific world has managed to anticipate the place and time of the impact of a celestial object.
“The advanced detection, warning and observations of this asteroid illustrate our growing ability to warn of asteroid impacts, no matter how small,” the ESA said.
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