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Meteor was almost to hit the ground without being observed by scientists from the dawn site on Monday, July 29, 2019.
Scientists have not followed a meteorite called "Asteroid 2019 OK"It seems like it has appeared from an unknown source.
According to NASA, the meteorite was large and its width ranged from 57 to 130 meters and was moving at high speed, just 73,000 kilometers from the Earth, less than a fifth of the distance between the Earth and the Moon.
"The meteor came very fast," said a professor at the University of Physics and Astronomy at Monash University, "we only realized that what happened was pbaded after our pbading near the Earth. "
"I was shocked by the fact that this meteorite is probably larger than the meteorites that have approached Earth for many years," the Washington Post reported.
But how did scientists fail to observe it, first because its size is not as great as that of meteorites that can trigger a disaster such as the extinction of dinosaurs .
Second, we rely on the sun's rays, even when the meteor approachesAsteroid 2019 OK"It was hard to see with a telescope.
Third, the "unusual orbit" and elliptical orbit and its speed of 24 km per second were the potential workers to determine the ability to locate it earlier.
The observed meteorite velocities varied between 4 and 19 km per second.
Scientists note that not observing the meteor indicates that we know very little about the space and danger meteorites represent.
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Source: Dawn
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