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The Romanian cosmonaut Dumitru-Dorin Prunariu made an important statement on NEO (Near Earth Objects) at the 59th session of the UN Committee on the Peaceful Uses of Outer Space, demanding the UN General Assembly to declare 30 June as International Asteroid Day to observe each year at the international level the anniversary of the Tunguska impact over Siberia, Russian Federation, on 30 June 1908 and to raise public awareness about the asteroid impact hazard. Dumitru-Dorin Prunariu is Doctor in Aerospace Engineering of the Faculty of Aerospace Engineering, University Politehnica of Bucharest. In the title image, the trace of the Chelyabinsk asteroid, from the NEA (Near Earth Asteroids) Apollo family (the most recent impact of a microasteroid, in the region Chelyabinsk, Russian Federation, on 15 February 2013). The microasteroid of just 20 m and 12,000 tons generated on impact an energy of 1.5 PJ, equivalent to 30 Hiroshima atomic bombs. Although the affected area was not inhabited, 1,500 people were injured and 7,500 buildings suffered damages. The Microasteroid had not been under surveillance prior to the impact, because it was considered too small. The diagram illustrates the main asteroid families which orbit close to Earth, consisting of tens of thousands of threats, which need to be classified and followed with the utmost care.<\/p>\n
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The Romanian cosmonaut Dumitru-Dorin Prunariu made an important statement on NEO (Near Earth Objects) at the 59th session of the UN Committee on the Peaceful Uses of Outer Space, demanding the UN General Assembly to declare 30 June as International Asteroid Day to observe each year at the international level the anniversary of the Tunguska […]<\/p>\n","protected":false},"author":5,"featured_media":4095,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"on","_et_pb_old_content":"
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Cosmonautul rom\u00e2n Dumitru-Dorin Prunariu a sus\u021binut o important\u0103 declara\u021bie despre NEO (Near Earth Objects - Obiecte Apropiate de P\u0103m\u00e2nt) la cea de-a 59-a sesiune a Comitetului ONU asupra Utiliz\u0103rii Pa\u0219nice a Spa\u021biului Cosmic, solicit\u00e2nd Adun\u0103rii Generale a ONU s\u0103 declare ziua de 30 iunie ca Ziua Interna\u021bional\u0103 a Asteroizilor, pentru a comemora \u00een fiecare an impactul unui asteroid \u00een zona Tunguska din Siberia, Federa\u021bia Rus\u0103, pe 30 iunie 1908 \u0219i pentru a cre\u0219te con\u0219tientizarea publicului asupra pericolelor legate de impactul unor asteroizi. Dumitru-Dorin Prunariu este doctor \u00een ingineria aerospa\u021bial\u0103, absolvent al Facult\u0103\u021bii de Inginerie Aerospa\u021bial\u0103 a Universit\u0103\u021bii Politehnica din Bucure\u0219ti. \u00cen imagine, d\u00e2ra l\u0103sat\u0103 de asteroidul Chelyabinsk, din familia de NEA (Near Earth Asteroids) Apollo (cel mai recent impact al unui microasteroid, \u00een raionul Chelyabinsk, Rusia, pe 15 februarie 2013). Microasteroidul de doar 20 m \u0219i 12.000 tone a generat la impact o energie de aprox. 1,5 PJ, echivalent\u0103 cu 30 de bombe atomice tip Hiroshima. De\u0219i zona afectat\u0103 direct era nelocuit\u0103, au fost r\u0103nite 1500 de persoane din zone adiacente \u0219i 7500 de cl\u0103diri au suferit avarii. Microasteriodul nu a fost sub observa\u021bie anterior impactului, deoarece era considerat prea mic. \u00cen diagram\u0103 sunt ilustrate familiile de asteroizi care orbiteaz\u0103 \u00een apropiere de P\u00e2m\u00e2nt, constituind posibile amenin\u021b\u0103ri care trebuie catalogate \u0219i urm\u0103rite cu cea mai mare aten\u021bie.<\/p>
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