{"id":31227,"date":"2022-09-14T08:44:00","date_gmt":"2022-09-14T06:44:00","guid":{"rendered":"https:\/\/alumni.polimi.it\/?p=31227"},"modified":"2022-11-17T17:13:56","modified_gmt":"2022-11-17T16:13:56","slug":"mirko-trisolini-il-ricercatore-che-va-a-caccia-di-polvere-di-stelle","status":"publish","type":"post","link":"https:\/\/alumni.polimi.it\/en\/2022\/09\/14\/mirko-trisolini-il-ricercatore-che-va-a-caccia-di-polvere-di-stelle\/","title":{"rendered":"Mirko Trisolini, the researcher hunting for \"stardust\""},"content":{"rendered":"<p class=\"wp-block-paragraph\">The Polytechnic University of Milan is the coordinator of the<strong>\u202fCRADLE<\/strong> (Collecting Asteroid-Orbiting Samples) project, funded under the <a href=\"https:\/\/alumni.polimi.it\/en\/2021\/05\/04\/giovani-ricercatori-al-poli-girone-eccellenza-puntata-1\/\">Marie Sk\u0142odowska-Curie Fellowship (MSCA-IF)<\/a>program. At the head of the project is <a href=\"https:\/\/www.linkedin.com\/in\/mirkotrisolini\/\" target=\"_blank\" rel=\"noreferrer noopener\">Mirko Trisolini,<\/a> 33, an expert in\u202fdynamics of celestial bodies, satellites and space debris, in particular the motion of fragments and particles around small bodies of our Solar System, such as asteroids and comets. With the CRADLE project, Trisolini intends to develop an innovative method for exploring and collecting asteroid and comet dust samples.&nbsp;<\/p>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"979\" height=\"1024\" src=\"http:\/\/alumni.polimi.it\/wp-content\/uploads\/Photo_Mirko-Trisolini-MSCA-979x1024.jpg\" alt=\"mirko trisolini\" class=\"wp-image-31228\" srcset=\"https:\/\/alumni.polimi.it\/wp-content\/uploads\/Photo_Mirko-Trisolini-MSCA-979x1024.jpg 979w, https:\/\/alumni.polimi.it\/wp-content\/uploads\/Photo_Mirko-Trisolini-MSCA-287x300.jpg 287w, https:\/\/alumni.polimi.it\/wp-content\/uploads\/Photo_Mirko-Trisolini-MSCA-768x803.jpg 768w, https:\/\/alumni.polimi.it\/wp-content\/uploads\/Photo_Mirko-Trisolini-MSCA-11x12.jpg 11w, https:\/\/alumni.polimi.it\/wp-content\/uploads\/Photo_Mirko-Trisolini-MSCA.jpg 1232w\" sizes=\"auto, (max-width: 979px) 100vw, 979px\" \/><figcaption>Credits: <a href=\"https:\/\/www.linkedin.com\/in\/mirkotrisolini\/\" target=\"_blank\" rel=\"noreferrer noopener\">Mirko Trisolini<\/a><\/figcaption><\/figure>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">WHAT DO WE NEED ASTEROIDS FOR?&nbsp;<\/h3>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">Our knowledge about these celestial bodies is still less than we would like it to be. However, we do know that they are rich in precious resources such as metals, silicates and water, which could be exploited to allow the self-sufficiency of crews during future long-duration missions, and which give us information on the history of our galaxy. <\/p>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<blockquote class=\"wp-block-quote is-style-large is-layout-flow wp-block-quote-is-layout-flow\"><p>\"Exploring the composition of these celestial bodies will allow us not only to expand our knowledge of the Solar System, but also to learn how to exploit the space resources: mineral resources, for example, and other vital resources for future manned missions, such as water that may lie beneath the surface\"<\/p><\/blockquote>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">explains Trisolini, who for this purpose studies the dynamics and composition of their powders and aims to develop an effective system for collecting samples without the need to land a probe on the celestial body (landing operations are actually very complex, as we learned from the <a href=\"https:\/\/www.yumpu.com\/it\/document\/read\/64446329\/map-magazine-alumni-politecnico-di-milano-1\/85\" target=\"_blank\" rel=\"noreferrer noopener\">Rosetta mission<\/a>).&nbsp;<\/p>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">HOW IT WORKS (IN THEORY)&nbsp;<\/h3>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">The particles would be generated by striking the asteroid with a small projectile. The explosion ejects them into orbit, where they can be collected by an orbiting probe. CRADLE therefore studies particle movement around the asteroid to predict which areas will be the most favourable for collection and, by estimating the number of particles that will become dislodged, calculates the size of instrument required for collection. The intermediate step of the project will lead Trisolini to <strong>develop more precise models for the collection and behavior in orbit of materials extractable from asteroids<\/strong>, with image processing techniques and reconstruction of the characteristics of the particles. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u201cWe use statistical models, also integrating the images of the impact event and the impact site. The collection of particles in orbit is based on predicting particle positions after impact; therefore, improving the robustness of impact analysis combined with statistical analysis methods is of paramount importance. In-orbit collection also means figuring out where to position the spacecraft in relation to the asteroid, as well as what type of collection tool it should be equipped with\", says the researcher.&nbsp;<\/p>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"701\" src=\"http:\/\/alumni.polimi.it\/wp-content\/uploads\/point_cloud_cradle_press_8_22_GIF_1.gif\" alt=\"cradle\" class=\"wp-image-31234\"\/><figcaption>Credits: https:\/\/www.compass.polimi.it\/<\/figcaption><\/figure>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">FROM THE POLI YOU CAN GET ANYWHERE IN THE SOLAR SYSTEM&nbsp;<\/h3>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">Mirko Trisolini works with the <a href=\"https:\/\/www.compass.polimi.it\/\" target=\"_blank\" rel=\"noreferrer noopener\">COMPASS<\/a> group of the Department of Aerospace Science and Technology of the Politecnico di Milano.<a href=\"https:\/\/alumni.polimi.it\/en\/2021\/05\/25\/giovani-ricercatori-al-poli-girone-eccellenza-puntata-2\/\">We also talked about him in 2021, when he won a \u201cMarie Curie Individual Fellowship<\/a>\": a research grant dedicated to young researchers who deal with issues that are crucial for society. \"I chose the Polytechnic University as host institution\", he explains, \"for the experience and technical background of the research group in which I work and the\u202fdeep-rooted collaborations, including international ones, to which it has access\": Mirko Trisolini is working towards developing technology together with the University of Padua and the Japan Aerospace Exploration Agency (JAXA), under the supervision of Prof. Camilla Colombo (Polytechnic University of Milan) and Prof. Yuichi Tsuda (JAXA), Project Manager of the <a href=\"https:\/\/alumni.polimi.it\/en\/magazine\/?magazine=2142\">Hayabusa2 mission that collected samples from the Ryugu asteroid and brought them back to Earth<\/a>.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Credits header: Photo by&nbsp;<a href=\"https:\/\/unsplash.com\/@denisdegioanni?utm_source=unsplash&amp;utm_medium=referral&amp;utm_content=creditCopyText\">Denis Degioanni<\/a>&nbsp;on&nbsp;<a href=\"https:\/\/unsplash.com\/s\/photos\/stars?utm_source=unsplash&amp;utm_medium=referral&amp;utm_content=creditCopyText\">Unsplash<\/a><\/p>\n\n\n\n<div style=\"height:136px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>","protected":false},"excerpt":{"rendered":"<p>Il Politecnico di Milano \u00e8 coordinatore del progetto\u202fCRADLE (Collecting Asteroid-Orbiting Samples), finanziato nel quadro del programma europeo Marie Sk\u0142odowska-Curie Fellowship (MSCA-IF). Alla testa del progetto c\u2019\u00e8 Mirko Trisolini, 33 anni, [&hellip;]<\/p>\n","protected":false},"author":29,"featured_media":31233,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[9],"tags":[],"class_list":["post-31227","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cat_ricerca"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Mirko Trisolini, il ricercatore che va a caccia di \u201cpolvere di stelle\u201d<\/title>\n<meta name=\"description\" content=\"Mirko Trisolini studia come raccogliere campioni di asteroidi e comete. utili sia a terra che nelle missioni a lungo raggio.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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