Surprise asteroid whizzed by Earth today, and we didn't even blink
27 Juillet, 2019, 01:27 | Auteur: Therese Cote
Named Asteroid 2019 OK, the rock measured between 57m and 130m in diameter, Nasa's Jet Propulsion Laboratory said on its Centre for Near Earth Object Studies website. According to data from NASA, the craggy rock was large, roughly 110 yards wide, and moving quickly along a path that brought it within about 45,360 miles of Earth. Of the three other rocks, Asteroid2019 OD was the largest, believed to be between 170 feet and 393 feet across. It was discovered just two days before its close approach to Earth but posed no threat to our planet.
That's incredibly close in astronomical terms, especially for an object we didn't know existed-and one that was big enough to do serious damage.
Though the chances of a large asteroid landing on a city are "modest", Brown said it is still worthwhile to devote resources toward detection and prevention. Did the scene in Avengers: Endgame where Tony Stark thinks he's going to die, lost in space, give me anxiety? Three different asteroids had also passed by Earth last week, but none of them was as impressive or unsafe as 2019 OK.
The asteroid, reassuringly designated 2019 OK, is not a threat to Earth right now.
An asteroid the size of the Great Pyramid skimmed by Earth this week. Forecasts had already predicted that a couple asteroids would be passing relatively close to Earth this week.
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"Asteroid 2019 OK has a very elliptical orbit, taking it from the asteroid belt beyond Mars to within the orbits of both Earth and Venus". ASAS-SN tweeted that an asteroid of this size "would make quite a mess if it did collide: ~1 km crater, several megatons TNT equivalent at impact".
A NASA diagram shows how close Asteroid 2019 OK came within hitting the Earth today.
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