If 900-metre Asteroid Ryugu hits Earth, will we survive the awful catastrophe?


In 2014, the Japan Aerospace Exploration Company (JAXA) despatched a spacecraft referred to as Hayabusa2 on a singular mission. The spacecraft was tasked with touchdown on an asteroid named Ryugu and to gather rock samples from it. The spacecraft efficiently accomplished its mission in 2020 when it returned with rock samples. Along with amassing samples, the spacecraft additionally landed rovers, hit it with projectiles and spent months observing it intently. And now, after spending time analyzing the pattern, scientists have been in a position to reply a terrifying query. What would occur if the asteroid Ryugu have been to strike the Earth?

The rationale scientists are asking this query and are looking for solutions is due to two components. More often than not, when estimations across the impression of an asteroid strike is calculated, solely the pace of the asteroid and the angle of strike is used to make the calculation. One essential side, the composition of the asteroid is commonly ignored.

However scientists are discovering out that not all asteroids are created equal. For instance, Ryugu is a rubble-pile asteroid and never a rock exhausting asteroid. It means how this asteroid will react to the higher environment might be completely different from how rocky asteroids would.

The second issue is that scientists don’t get to research and see an asteroid up shut which has not been affected by the warmth and strain of getting into the environment. Which means the info derived from learning a pristine asteroid may give actually essential perception into these area rocks.

Can asteroid Ryugu destroy the Earth

Asteroid Ryugu has been measured at roughly 900 meters width. As per NASA, any asteroid that’s 1 kilometers huge can set off a world extinction occasion. However the reply is a little bit tough to search out on this case.

“Hayabusa2 succeeded in an experiment by which two 1 kilogram [2.2 pounds] projectiles have been launched at a pace of two kilometers per second [1.2 miles per second] ensuing within the formation of a crater roughly 20 meters [66 feet] in diameter. The cohesion power of the rock was meant to be very very low. The density is just a bit increased than water with a really excessive porosity estimated,” JAXA Division of Photo voltaic System Sciences professor Satoshi Tanaka told

Such asteroids are often known as rubble-pile asteroids and they’re going to by no means attain the Earth’s floor in a single piece. They’re extra more likely to break aside within the decrease environment. Apparently, we’ve got seen such an asteroid getting into the environment a couple of years in the past. The Chelyabinsk meteor was a rubble-pile asteroid and it exploded in an airburst about 35 to 40 kilometers above the bottom. It was later calculated that the atmospheric blast launched an power roughly equal to 400–500 kilotons of TNT. It’s about 33 occasions the depth of the blast of the nuclear bomb that flattened Hiroshima.

And this is the kicker. The Chelyabinsk meteor was about 19 meters in width. That is simply 2 % of the dimensions of Ryugu. So, if Ryugu have been ever to hit the Earth, simply the airburst itself could be catastrophic, not to mention all of the small items of the asteroid that later bombard the floor of the planet.

Fortunately for us, in keeping with estimates, there isn’t any likelihood of this explicit asteroid putting our planet within the close to future.


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