{"668820":{"#nid":"668820","#data":{"type":"news","title":"EXTERNAL NEWS - Prof Rafael de la Llave in Quanta","body":[{"value":"\u003Cp\u003EProf. Rafael de la Llave is quoted in a \u003Ca href=\u0022https:\/\/www.quantamagazine.org\/new-math-shows-when-solar-systems-become-unstable-20230516\/\u0022\u003EQuanta article\u003C\/a\u003E about research into the dynamics of the solar system. An excerpt from the article:\u003C\/p\u003E\r\n\r\n\u003Cblockquote\u003E\r\n\u003Cp\u003EBut research in the 18th century by mathematical giants like Pierre-Simon Laplace and Joseph-Louis Lagrange indicated that, precession aside, the size and shape of the ellipse are stable. It wasn\u2019t until the late 19th century that this intuition started to shift, when Henri Poincar\u00e9 found that even in a model with just three bodies (say, a star orbited by two planets), it\u2019s impossible to compute exact solutions to Newton\u2019s equations. \u201cCelestial mechanics is a delicate thing,\u201d said\u0026nbsp;\u003Ca href=\u0022https:\/\/rll6.math.gatech.edu\/\u0022 target=\u0022_blank\u0022\u003ERafael de la Llave\u003C\/a\u003E, a mathematician at the Georgia Institute of Technology. Alter the initial conditions by a hair \u2014 for example, by shifting the assumed position of one planet by a mere meter, as Laskar and Gastineau did in their simulations \u2014 and over long timescales the system can look very different.\u003C\/p\u003E\r\n\u003C\/blockquote\u003E\r\n","summary":"","format":"limited_html"}],"field_subtitle":[{"value":"Quanta article \u0022New Proof Finds the \u2018Ultimate Instability\u2019 in a Solar System Model\u0022 quotes SoM professor."}],"field_summary":[{"value":"\u003Cp\u003EProf. Rafael de la Llave is quoted in an article about research into the dynamics of the solar system.\u003C\/p\u003E\r\n","format":"limited_html"}],"field_summary_sentence":[{"value":"Prof. Rafael de la Llave is quoted in an article about research into the dynamics of the solar system. "}],"uid":"34518","created_gmt":"2023-08-08 14:52:34","changed_gmt":"2023-08-08 15:25:13","author":"sbarone7","boilerplate_text":"","field_publication":"","field_article_url":"","dateline":{"date":"2023-05-19T00:00:00-04:00","iso_date":"2023-05-19T00:00:00-04:00","tz":"America\/New_York"},"extras":[],"hg_media":{"642255":{"id":"642255","type":"image","title":"Artist\u0027s concept of an ice-covered planet in a distant solar system, resembling what early Earth may have looked like it the right mix of microbial metabolisms and volcanic processes hadn\u2019t warmed the climate. Source: European southern observatory (EXO).","body":null,"created":"1608245569","gmt_created":"2020-12-17 22:52:49","changed":"1608245569","gmt_changed":"2020-12-17 22:52:49","alt":"","file":{"fid":"243979","name":"AltEarths_IcyExoplanet_cropped.jpg","image_path":"\/sites\/default\/files\/images\/AltEarths_IcyExoplanet_cropped.jpg","image_full_path":"http:\/\/hg.gatech.edu\/\/sites\/default\/files\/images\/AltEarths_IcyExoplanet_cropped.jpg","mime":"image\/jpeg","size":388024,"path_740":"http:\/\/hg.gatech.edu\/sites\/default\/files\/styles\/740xx_scale\/public\/images\/AltEarths_IcyExoplanet_cropped.jpg?itok=LJc1k9Yt"}}},"media_ids":["642255"],"related_links":[{"url":"https:\/\/www.quantamagazine.org\/new-math-shows-when-solar-systems-become-unstable-20230516\/","title":"Quanta Article"}],"groups":[{"id":"1279","name":"School of Mathematics"}],"categories":[],"keywords":[{"id":"173647","name":"_for_math_site_"}],"core_research_areas":[],"news_room_topics":[],"event_categories":[],"invited_audience":[],"affiliations":[],"classification":[],"areas_of_expertise":[],"news_and_recent_appearances":[],"phone":[],"contact":[{"value":"\u003Cp\u003ESal Barone\u003C\/p\u003E\r\n","format":"limited_html"}],"email":["comm@math.gatech.edu"],"slides":[],"orientation":[],"userdata":""}}}