The pressure pulse and airblast can be devastating. Around 1,200 people have sought medical attention in Chelyabinsk alone because of the disaster, the official website of regional governor Mikhail Yurevich reported. Source: SSERVI Team, Scientists find possible solution to “faint young Sun paradox”, Bombardment triggered atmospheric warming capable of sustaining liquid water. If you weigh 120 pounds, you would weigh only 20 pounds on the moon. This website uses cookies so that we can provide you with the best user experience possible. It was squeezed until it could not stand the pressure and exploded. Fortunately, Earth’s atmosphere screens most objects from reaching the surface with cosmic velocities. Read RT Privacy policy to find out more. The considerable uncertainty in estimates of the energy of those and other relatively small impact events makes it difficult to quantify future hazards. Although the Barringer crater’s 1.2-km diameter is relatively small compared with some of Earth’s largest, such as the dinosaur-killing Chicxulub impact crater, 180 km in diameter, the kinetic energy of Barringer’s impact is sufficient to destroy a modern city. Global Space Exploration Conference (GLEX) 2020. One of the fragments that struck near Chebarkul left a crater six meters in diameter. This website uses cookies. The force of the blast was equivalent to about 500 kilotons of TNT. Below is an excerpt from the section titled “Impact airbursts versus impact craters:”. Some of those rocks are thought to be meteorites. The impact wave damaged several buildings, and blew out thousands of windows amid frigid winter weather. The considerable uncertainty in estimates of the … Read the full article here, Posted by: Soderman/SSERVI staff Two views of the Chelyabinsk meteorite. Lunar crater counts converted to equivalent impactor flux and assuming a geometric albedo of 0.25 (grey solid line) are shown for comparison9, though we note that contamination by … The number of injured includes 289 children, the website said. But how do we know? Small iron asteroids, however, survive atmospheric passage and cause explosions at the surface that excavate impact craters. Shook my whole building and woke me up!#челябинскyoutube.com/watch?v=4ZxXYs…. A small asteroid entered the atmosphere traveling at tremendous speed. This means that every time you visit this website you will need to enable or disable cookies again. Chelyabinsk may be the meteorite fall of a lifetime. Russia’s Urals region has been rocked by a meteorite explosion in the stratosphere. The blast was immediately lethal for human-sized animals within 6 km of it. Army units found three meteorite debris impact sites, two of which are in an area near Chebarkul Lake, west of Chelyabinsk. Photos of the meteor, fragments, and a microscopic view of the interior of the meteorite can be found in the full article. On same day as the Chelyabinsk meteor – February 15, 2013 – the asteroid 2012 DA14 was still approaching Earth. For that reason, the Chelyabinsk impact event is incredibly important: It produced the first high-precision values for the energy of a blast and the ground damage it caused. Like all new fallen ordinary chondrites the meteorites were covered with a black fusion crust. More than 1500 persons were injured and thousands of windows were blown out over a wide area of Russia near the event. At 9:20AM local time on February 15, 2013, a meteor scorched across the skies above Chelyabinsk, Russia. It was squeezed until it could not stand the pressure and exploded. The third site was found some 80 kilometers further to the northwest, near the town of Zlatoust. That breathtaking impact site was produced by a roughly 30-m-diameter iron asteroid, remnants of which are known as the Canyon Diablo meteorites. Winds in excess of 1500 km/h were produced within the inner 6-km-diameter zone and still exceeded 100 km/h at radial distances of 20 km. A small asteroid entered the atmosphere traveling at tremendous speed. Many people have been to the desert, or river, or perhaps even their own backyard and found a rock that is unusual. Cookie information is stored in your browser and performs functions such as recognising you when you return to our website and helping our team to understand which sections of the website you find most interesting and useful. This website uses cookies - The cookie settings on this website are adjusted to allow all cookies so that you have the very best experience.. You can find out more about which cookies we are using or switch them off in settings. Those within 10–12 km suffered severe lung damage from the pressure pulse alone. The day the Chelyabinsk meteorites arrived. February 15, 2013 will be remembered as the day the sky exploded over Russia.
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