<html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class=""><div style="margin: 0px; font-stretch: normal; line-height: normal;" class="">Dear Colleagues,</div><div style="margin: 0px; font-stretch: normal; line-height: normal; min-height: 16px;" class=""><br class=""></div><div style="margin: 0px; font-stretch: normal; line-height: normal;" class=""><span style="font-kerning: none" class="">we are pleased to announce that the </span><span style="font-kerning: none; color: #18191b; background-color: #f6f7f9" class="">eleventh </span><span style="font-kerning: none" class="">colloquium of the program <i class="">QUID ULTRA? Frontiers and Controversies in Astrophysics, </i></span></div><div style="margin: 0px; font-stretch: normal; line-height: normal;" class=""><span style="-webkit-font-kerning: none;" class="">will be </span><span style="font-kerning: none" class=""><b class="">on </b></span><span style="-webkit-font-kerning: none;" class=""><b class="">December 14 2021</b> <b class="">at 16:30 by</b> </span><span style="font-kerning: none" class=""><b class="">Licia Verde (ICREA, University of Barcelona). </b></span></div><div style="margin: 0px; font-stretch: normal; line-height: normal;" class=""><span style="font-kerning: none" class="">Title and abstract are attached below. </span></div><div style="margin: 0px; font-stretch: normal; line-height: normal; min-height: 16px;" class=""><span style="font-kerning: none" class=""><b class=""></b></span><br class=""></div><div style="margin: 0px; font-stretch: normal; line-height: normal;" class=""><span style="font-kerning: none" class="">The seminar will be held remotely by the speaker through the following zoom link:</span></div><div style="margin: 0px; font-stretch: normal; line-height: normal; min-height: 16px;" class=""><span style="font-kerning: none" class=""><b class=""></b></span><br class=""></div><div style="margin: 0px; font-stretch: normal; line-height: normal; color: rgb(107, 0, 109);" class=""><span style="text-decoration: underline ; font-kerning: none" class=""><a href="https://uniroma1.zoom.us/j/81122901013?pwd=M1hnRHRXZkEyeW1QMFlPQ2FXa0dNZz09" class="">https://uniroma1.zoom.us/j/81122901013?pwd=M1hnRHRXZkEyeW1QMFlPQ2FXa0dNZz09</a></span></div><p style="margin: 0px; font-stretch: normal; line-height: normal; min-height: 16px;" class=""><span style="font-kerning: none" class=""> </span><br class="webkit-block-placeholder"></p><div style="margin: 0px; font-stretch: normal; line-height: normal;" class=""><span style="font-kerning: none" class="">ID riunione: 811 2290 1013</span></div><div style="margin: 0px; font-stretch: normal; line-height: normal;" class=""><span style="font-kerning: none" class="">Passcode: 686688</span></div><p style="margin: 0px; font-stretch: normal; line-height: normal; min-height: 16px;" class=""><span style="font-kerning: none" class=""> </span><br class="webkit-block-placeholder"></p><div style="margin: 0px; font-stretch: normal; line-height: normal;" class=""><span style="font-kerning: none" class="">However, it will be possible to attend the seminar from aula Conversi, Dipartimento di Fisica, Sapienza University.</span></div><div style="margin: 0px; font-stretch: normal; line-height: normal; min-height: 16px;" class=""><span style="font-kerning: none" class=""></span><br class=""></div><div style="margin: 0px; font-stretch: normal; line-height: normal;" class=""><span style="-webkit-font-kerning: none;" class="">The </span><span style="font-kerning: none" class="">program QUID ULTRA? Frontiers and Controversies in Astrophysics is a series of monthly prestigious colloquia that will be </span></div><div style="margin: 0px; font-stretch: normal; line-height: normal;" class=""><span style="font-kerning: none" class="">running from early February till December 2021. This initiative has been funded by Sapienza University with the co-sponsorship of </span></div><div style="margin: 0px; font-stretch: normal; line-height: normal;" class=""><span style="font-kerning: none" class="">INAF/Astronomical Observatory of Rome and of the joint PhD program in Astronomy, Astrophysics and Space Science of Sapienza, </span></div><div style="margin: 0px; font-stretch: normal; line-height: normal;" class=""><span style="font-kerning: none" class="">Tor Vergata University and INAF.</span></div><div style="margin: 0px; font-stretch: normal; line-height: normal; min-height: 16px;" class=""><span style="font-kerning: none" class=""></span><br class=""></div><div style="margin: 0px; font-stretch: normal; line-height: normal;" class=""><span style="font-kerning: none" class="">Looking forward to seeing you soon, </span></div><div style="margin: 0px; font-stretch: normal; line-height: normal; min-height: 16px;" class=""><span style="font-kerning: none" class=""></span><br class=""></div><div style="margin: 0px; font-stretch: normal; line-height: normal;" class=""><span style="font-kerning: none" class="">Raffaella Schneider (on behalf of the SOC)</span></div><div style="margin: 0px; font-stretch: normal; line-height: normal; min-height: 16px;" class=""><span style="font-kerning: none" class=""></span><br class=""></div><div style="margin: 0px; font-stretch: normal; line-height: normal;" class=""><span style="font-kerning: none" class="">————————————————</span></div><div style="margin: 0px; font-stretch: normal; line-height: normal;" class=""><span style="font-kerning: none" class=""><b class="">December 14 2021 at 16:30, aula Conversi, Dipartimento di Fisica, Sapienza Università di Roma</b></span></div><div style="margin: 0px; font-stretch: normal; line-height: normal; min-height: 16px;" class=""><span style="font-kerning: none" class=""></span><br class=""></div><div style="margin: 0px; font-stretch: normal; line-height: normal;" class=""><span style="font-kerning: none" class=""><b class="">Licia Verde (ICREA, University of Barcelona)</b></span></div><div style="margin: 0px; font-stretch: normal; line-height: normal; min-height: 16px;" class=""><span style="font-kerning: none" class=""></span><br class=""></div><div style="margin: 0px; font-stretch: normal; line-height: normal;" class=""><span style="-webkit-font-kerning: none;" class=""><b class="">Title: </b></span><span style="font-kerning: none" class=""><b class="">The "unreasonable effectiveness” of the LCDM model</b></span></div><div style="margin: 0px; font-stretch: normal; line-height: normal; min-height: 16px;" class=""><span style="font-kerning: none" class=""></span><br class=""></div><div style="margin: 0px; font-stretch: normal; line-height: normal;" class=""><span style="font-kerning: none" class="">The standard cosmological model (the LCDM model) has been established and its parameters are now measured with unprecedented precision. </span></div><div style="margin: 0px; font-stretch: normal; line-height: normal;" class=""><span style="font-kerning: none" class="">This model successfully describes observations from widely different epochs of the Universe, from the first few minutes, all the way to the present day. </span></div><div style="margin: 0px; font-stretch: normal; line-height: normal;" class=""><span style="font-kerning: none" class="">However, there is a big difference between modelling and understanding. The next decade will see the era of large surveys; </span></div><div style="margin: 0px; font-stretch: normal; line-height: normal;" class=""><span style="font-kerning: none" class="">a large coordinated effort of the scientific community in the field is on-going to map the cosmos producing an exponentially growing amount of data. </span></div><div style="margin: 0px; font-stretch: normal; line-height: normal;" class=""><span style="font-kerning: none" class="">But precision is not enough: accuracy is also crucial. The "unreasonable effectiveness” of the LCDM model offers challenges and opportunities. </span></div><div style="margin: 0px; font-stretch: normal; line-height: normal;" class=""><span style="font-kerning: none" class="">I will present some of the lines of enquiry explored by my group in this direction.</span></div><div style="margin: 0px; font-stretch: normal; line-height: normal; min-height: 16px;" class=""><span style="font-kerning: none" class=""></span><br class=""></div><div style="margin: 0px; font-stretch: normal; line-height: normal;" class=""><span style="font-kerning: none; background-color: #ffffff" class="">Join Zoom Meeting</span></div><div style="margin: 0px; font-stretch: normal; line-height: normal; color: rgb(107, 0, 109);" class=""><span style="text-decoration: underline ; font-kerning: none" class=""><a href="https://uniroma1.zoom.us/j/81122901013?pwd=M1hnRHRXZkEyeW1QMFlPQ2FXa0dNZz09" class="">https://uniroma1.zoom.us/j/81122901013?pwd=M1hnRHRXZkEyeW1QMFlPQ2FXa0dNZz09</a></span></div><p style="margin: 0px; font-stretch: normal; line-height: normal; min-height: 16px;" class=""><span style="font-kerning: none" class=""> </span><br class="webkit-block-placeholder"></p><div style="margin: 0px; font-stretch: normal; line-height: normal;" class=""><span style="font-kerning: none" class="">ID riunione: 811 2290 1013</span></div><div style="margin: 0px; font-stretch: normal; line-height: normal;" class=""><span style="font-kerning: none" class="">Passcode: 686688</span></div><div style="margin: 0px; font-stretch: normal; line-height: normal;" class=""><span style="font-kerning: none" class="">————————————————</span></div></body></html>