Many people wonder what would happen if a asteroid would collide with the Tierra. And it is that despite NASA has repeatedly confirmed sightings Close proximity of these bodies to our planet so far there is no real threat that we will be impacted by these rocky bodies.
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According to a Russian publication Vokrug svetaand an asteroid of at least 300 meters in diameter fell on our planet at a speed of 30 kilometers per second, it would explode 5,000 megatons, forming a five-kilometer crater covered with molten rock and a fireball of the same size would be made on it, causing fires of 50-70 km.
After seven seconds, an earthquake would be generated that would destroy buildings located in a radius of 30 to 40 kilometers. And following regarding 30 seconds following the aforementioned, almost all the facilities that are within 150-200 km would fall, entire cities disappearing.
However, some researchers have estimated that Earth will be hit by an asteroid every 5 thousand years. However, so far they have not found any that can cross our planet. However, the consequences would be terrible for humanity.
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But the NASA it has actions it would take in the event of an asteroid impact on Earth. The first is to build a gravity tractor or spacecraft to attract the asteroid and modify its trajectory. Another option is to hit it with a rocket or other aircraft of similar size.
Another alternative is to send a nuclear device into space to destroy it before impact. NASA is very interested in joining efforts and increasing international collaborations as well as establishing new joint emergency protocols, for example, evacuating areas and rescuing the population.
What are asteroids?
According to NASA, asteroids are rocky objects that orbit the sun. So, there are many asteroids throughout the solar system, but most of them live in the asteroid belt.
