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Asteroid exploded over Puerto Rico, details

June 28 2019
Gianluca RiccioGianluca Riccio
⚪ 2 minutes
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A large asteroid exploded over Puerto Rico as it entered Earth's atmosphere shortly after being identified by telescopes in Hawaii.

At the time of the discovery, the large space stone was 500.000km from Earth, not far from the moon (which is about 384.400km).

Fortunately, it did not provoke victims, but rather it marked the success of the surveillance system adopted. In the future (I hope not but it's a question of "when", not "if") this technology will help humans set up rapid evacuations before an impact.

According to a press release from the University of Hawaii, home of the telescopes, the accident proves that the warning system (also supported by a series of satellites launched in recent years) it works.

It is, however, an exceptionally rare case so far. It is in fact just the fourth time in history that scientists discover an asteroid with so little warning about an impact. All four cases, however, have happened in the past 11 years.

The article continues after the related links

NASA, recovered the sample from the asteroid Bennu: why it is important

We have a map of all the dangerous asteroids for the next 1000 years

2019 MO, the asteroid that exploded over Puerto Rico, was nearly 5 meters in diameter and burned in a huge fireball. An explosion equivalent to that of 6000 tons of TNT according to the Jet Propulsion Lab's Center for Near Earth Object Studies (CNEOS).

Hawk eye

The close discovery of the asteroid is thanks to ATLAS, a system whose name stands for Asteroid Terrestrial-impact Last Alert System. It consists of two telescopes located 150km apart on two distinct Hawaiian islands. Every two nights ATLAS scan the sky in search of space killers.

2019 MO, although of "interesting" size, is practically a miniature when compared to the gigantic meteor that exploded over Russia in 2013. The size of that celestial body was five times greater, and it exploded with 100 times greater energy.

If I were you I would do one scan a day.

Tags: asteroidsatlastelescopes

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