Astrophysics & Cosmology

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class="link"><a class="menuitem link" href="/science/covid-19/">COVID-19 Support</a> </li> </ul> </div>   </div>  <div id="Breadcrumbs"> <div class="wrapper"> <div> <a href="/">Home</a> » <a href="/science/">Science</a> » Astrophysics & Cosmology </div> </div> </div>   <main> <div class="main"> <div class="main-wrapper"> <h1 id="page-heading">Astrophysics & Cosmology</h1> <section><div class="Content"><p>Research in astrophysics and cosmology tries to answer questions such as how did space, time, matter and energy take the form that we see today, and, can we work backwards to unravel the history of the universe. Answers are sought using NERSC for both simulation and experimental analysis of some of the most cataclysmic and some of the most subtle features of the universe.<span style="font-size: 13px; line-height: 1.5em;"> Numerical simulation is currently the dominant tool in theoretical astrophysics and cosmology and recent studies carried out at NERSC may place us on the verge of breakthrough.</span></p> <p>The articles below describe some of the exciting research being carried out at NERSC in this field.</p></div></section> <div class="IndexList"> <div class="index-list-item first"> <div class="thumbnail"> <a href="/science/astrophysics-and-cosmology/cosmological-simulations-for-sky-surveys/" title="Cosmological Simulations for Sky Surveys"><img width="100" height="100" alt="cosmosim" src="/assets/Uploads/cosmosim__FillWzEwMCwxMDBd.png" loading="lazy" /> </a> </div> <div class="list-text"> <h2 class="article-list-title"><a href="/science/astrophysics-and-cosmology/cosmological-simulations-for-sky-surveys/" title="Cosmological Simulations for Sky Surveys">Cosmological Simulations for Sky Surveys<span class="more"></span></a></h2> <div class="DateAuthors"> </div> <p class="Summary">Modern cosmology is one of the most exciting areas in all of physical science. Progress over the last two decades has resulted in cementing a ‘Consensus Cosmology’ that, defined by only half a dozen parameters, is in excellent agreement with a host of cross-validated observations. Although the fact that a simple model can be so successful is already remarkable, three of its key ingredients – dark energy, dark matter, and inflation – point to future breakthrough discoveries in fundamental physics, as all require ingredients beyond the Standard Model of particle physics. <a href="/science/astrophysics-and-cosmology/cosmological-simulations-for-sky-surveys/" title="Cosmological Simulations for Sky Surveys" class="more">Read More »</a></p> </div> <div class="clear"></div> </div> <div class="index-list-item "> <div class="thumbnail"> <a href="/science/astrophysics-and-cosmology/cosmic-microwave-background/" title="Cosmic Microwave Background"><img width="100" height="100" alt="CMB.jpg" src="/assets/ScienceAtNERSC/CMB__FillWzEwMCwxMDBd.jpg" loading="lazy" /> </a> </div> <div class="list-text"> <h2 class="article-list-title"><a href="/science/astrophysics-and-cosmology/cosmic-microwave-background/" title="Cosmic Microwave Background">Cosmic Microwave Background<span class="more"></span></a></h2> <div class="DateAuthors"> </div> <p class="Summary">Astronomers hope to make tremendous strides toward illuminating the nature and origins of dark matter and energy by analyzing data from the Planck spacecraft. NERSC will continue its long tradition of supporting these studies via Cosmic Microwave Background simulation and data analysis. <a href="/science/astrophysics-and-cosmology/cosmic-microwave-background/" title="Cosmic Microwave Background" class="more">Read More »</a></p> </div> <div class="clear"></div> </div> <div class="index-list-item "> <div class="thumbnail"> <a href="/science/astrophysics-and-cosmology/deep-sky-astronomical-image-database/" title="Deep Sky Astronomical Image Database"><img width="100" height="100" alt="deepsky.jpg" src="/assets/NewsImages/2009/deepsky__FillWzEwMCwxMDBd.jpg" loading="lazy" /> </a> </div> <div class="list-text"> <h2 class="article-list-title"><a href="/science/astrophysics-and-cosmology/deep-sky-astronomical-image-database/" title="Deep Sky Astronomical Image Database">Deep Sky Astronomical Image Database<span class="more"></span></a></h2> <div class="DateAuthors"> </div> <p class="Summary">Deep Sky is an all-sky digital image database that consists of point-and-stare observations from the Palomar-QUEST Consortium and the SN Factory + Near Earth Asteroid Team. <a href="/science/astrophysics-and-cosmology/deep-sky-astronomical-image-database/" title="Deep Sky Astronomical Image Database" class="more">Read More »</a></p> </div> <div class="clear"></div> </div> <div class="index-list-item last"> <div class="thumbnail"> <a href="/science/astrophysics-and-cosmology/type-ia-supernovae/" title="Type Ia Supernovae"><img width="100" height="100" alt="Supernova-1.jpg" src="/assets/ScienceAtNERSC/Supernova-1__FillWzEwMCwxMDBd.jpg" loading="lazy" /> </a> </div> <div class="list-text"> <h2 class="article-list-title"><a href="/science/astrophysics-and-cosmology/type-ia-supernovae/" title="Type Ia Supernovae">Type Ia Supernovae<span class="more"></span></a></h2> <div class="DateAuthors"> </div> <p class="Summary">The question of how a carbon-oxygen white dwarf accreting mass in a binary system reaches critical mass and explodes has been a robust problem in astrophysics for over 50 years and has been studied with numerical simulation for almost as long. <a href="/science/astrophysics-and-cosmology/type-ia-supernovae/" title="Type Ia Supernovae" class="more">Read More »</a></p> </div> <div class="clear"></div> </div> <div class="clear"></div> </div> </div> </div> </main> <div class="sidebar"> <div class="sidebar-wrapper"> <div class="SidebarContent"><div class="captionImage left" style="width: 183px;"><a class="shadowbox" href="/assets/ScienceAtNERSC/20080509supernovae.jpg" target="_blank"><img class="shadowbox" title="" src="assets/ScienceAtNERSC/_resampled/ResizedImage183183-20080509supernovae.jpg" alt="" width="183" height="183"></a></div> <p>There are several projects at NERSC involving simulation of Type Ia supernovae.  The image above is snapshot of a movie from The Center for Astrophysical Thermonuclear Flashes at the University of Chicago; DOE SciDAC Program/Brad Gallagher, George Jordan, Dean Townsley, Robert Fisher, Nathan Hearn, Jim Truan and Don Lamb.  </p></div> </div> </div> </div>  <div class="footer"> <div class="LastEdited">Last edited: 2024-11-13 16:04:01</div> <div class="footer-wrapper"> <div class="badges"> <a href="http://www.lbl.gov/" title="Visit Lawrence Berkeley National Laboratory’s main website."><img src="/_resources/themes/nersc-sass/images/berkeley-lab-badge.png?m=1732691290" alt="Berkeley Lab logo" /></a> <a href="http://science.energy.gov/" title="Visit the U.S. Department of Energy Office of Science website."><img src="/_resources/themes/nersc-sass/images/doe-badge.png?m=1732691290" alt="U.S. Department of Energy Office of Science logo" /></a> </div> <ul class="footer-links"> <li><a href="/about/contact-us/">Contact us</a></li> <li><a href="https://www.lbl.gov/Disclaimers.html">Privacy & Security</a></li> <li><a href="https://cs.lbl.gov">Computing Sciences Area</a></li> </ul> </div> </div> </div> </div> <script data-cfasync="false" src="/cdn-cgi/scripts/5c5dd728/cloudflare-static/email-decode.min.js"></script><script type="application/javascript" src="/_resources/themes/nersc-sass/javascript/jquery.min.js?m=1732691290"></script> <script type="application/javascript" src="/_resources/app/javascript/no-console.js?m=1732691290"></script> <script type="application/javascript" src="/_resources/app/javascript/jquery.beautyOfCode.js?m=1732691290"></script> <script type="application/javascript" src="/_resources/app/javascript/dataTables-1.7/media/js/jquery.dataTables.min.js?m=1732691290"></script> <script type="application/javascript" src="/_resources/app/javascript/shadowbox-3.0.3/shadowbox.js?m=1732691290"></script> <script type="application/javascript" src="/_resources/app/javascript/jquery.metadata.2.0/jquery.metadata.min.js?m=1732691290"></script> <script type="application/javascript" src="/_resources/app/javascript/jquery.media.js?m=1732691290"></script> <script type="application/javascript" src="/_resources/app/javascript/jquery.oembed.min.js?m=1732691290"></script> <script type="application/javascript" src="/_resources/app/javascript/jquery.cycle/jquery.cycle.all.min.js?m=1732691290"></script> <script type="application/javascript" src="/_resources/themes/nersc-sass/javascript/jquery-ui-1.8.7.custom/js/jquery-ui-1.8.7.custom.min.js?m=1732691290"></script> <script type="application/javascript" src="/_resources/app/javascript/jquery.expander/jquery.expander.min.js?m=1732691290"></script> <script type="application/javascript" src="/_resources/app/javascript/core.js?m=1732691290"></script> <script type="application/javascript" src="/_resources/themes/nersc-sass/javascript/theme-core.js?m=1732691290"></script> </body> </html>

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