The impact on Earth of external objects

At dawn on February 19 a meteor shower rushed over the Russian regions of Cheliabinsk, Kurgan, Tyumen, Svédrlovsk and also over northern Kazakhstan. Virtually all of them disintegrated upon entering the earth's atmosphere except for one, the largest, which fell on the Chelyabinsk region in several fragments, according to & nbsp; the spokeswoman of the Ministry of Civil Protection, Elena Smirnij. At first the information was contradictory and confusing. Now, with more data available, Jesús Martínez-Frías, head of the Department of Planetology and Habitability of the Center for Astrobiology (CSIC-INTA, associated to NASA Astrobiology Institute) and professor ad honorem of Planetary Geochemistry of the Higher Technical School of Mining Engineers from the Polytechnic University of Madrid (UPM), speaks in this interview about the event.

Two theories are pointed out in relation to the fall of the meteorite,
& nbsp; one of them that was part of the asteroid 2012 D14 and another one that
Accompanied. What is your opinion about it?

Preliminary analyzes of the trajectories of the asteroid
2012 D14 and the object that blew over Chelyabinsk indicate that these
were completely different, which suggests that these are events
unrelated However, we will have to wait for them to be carried out
more exhaustive studies. Without a doubt, it is an extraordinary



Fuente: UPM


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