Asteroids are the small rocky bodies in the inner solar system that orbit the sun. Millions of them fly through space and their collisions – so-called impact events – have shaped many planets significantly. NASA is constantly observing space and categorizing near-earth objects (NEOs) as potentially dangerous objects (PHOs) if they could pose a threat to life on Earth.
Dr. However, Natalie Starkey introduced a new theory in her 2018 book. Catching Stardust, "a theory about what would happen if a huge space rock fell into one of the vast open water areas.
She warned readers, "If we fail to protect the planet from space threats in the future, we can expect a large asteroid or cometary impact that devastates the Earth's surface and leads to major global changes and heavy casualties.
"Of course, not only humans would be affected, but many other kinds of earth as well.
"A comet or asteroid that hits one of the Earth's oceans would lead to huge tsunamis that could completely destroy the surrounding coastal areas.
"One can imagine how many millions of people would be affected, directly or indirectly, by a tsunami emanating from an impact point in the middle of the Atlantic or the Pacific Ocean.
"If only we imagine that the waves emanating from a pebble thrown into a pond have nothing in the way that could disturb them, they would spread to the edge of the pond."
Dr. Starkey, a cosmochemist by profession, put the idea into perspective with a shocking proposal.
She added, "Although they would not be expected to destroy the age of the pond, depending on the size of the stone and the force with which it enters the pond. When the waves are ready, we can assume that water floods over the edges.
"Now suppose we were going to zoom in on a giant asteroid a few kilometers across, traveling at unimaginable speeds ̵
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"The effect is the same, but the edges of the pond are now large millions of people inhabited cities and dense infrastructure, which could not stand with certainty, to be flooded by a massive water wall.
"A Great Comet or Asteroid A land strike would not be much better if you were to swap water waves for bumps and create huge shockwaves that flatten buildings and at the same time tearing and melting the ground around the impact site. "
Asteroid 101955 Bennu, formerly known as the 1999 RQ36, is a potentially dangerous object listed in the Sentry Risk Table with the second highest cumulative rating in the Palermo Technical Impact Hazard Scale.
Researchers have already warned the space agency that it could be devastating if they did not act.
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Sansaturio warned in a report for Solar System Icarus magazine that there are good opportunities
She told Universe Today in 2010: "The 1999 RQ36 asteroid's total likelihood of impact can be estimated at .00092 what is surprising about a chance of about one-thousandth of a mile is that over half of that chance (.00054) equals 2182. "
However, NASA has a less destructive move for Bennu.
The Space Agency is currently conducting a mission with its spacecraft OSIRIS-REx to find it more about the rock.
The spaceship haunted Bennu for two years before circling and sampling for two years.
Then, in 2023, it will fly back to Earth to allow scientists from all over the world to study.
The mission team is particularly interested in getting to know the role of asteroids like Bennu – dark, primitive, and apparently carbon-rich – in creating life on Earth.
It will also help scientists to refine the chances of a strike on Earth.