Name: Astronomy on Tap Leiden - Galaxies in the Universe!
Start: 2021-09-27T20:00:00+02:00
End: 2021-09-27T21:30:00+02:00
Location: Grandcafé De Burcht

Astronomy on Tap Leiden - Galaxies in the Universe!

Astronomy on Tap Leiden

Astronomy on Tap features scientists and educators who speak of their passion for astronomy and research in an informal setting.

Grandcafé De Burcht

Our next event will take place at Grandcafé De Burcht on Monday 27 September at 20:00 CEST (coronavirus pass required to enter - see important information below). Join us for an evening of informal astronomy, fun games, and great beer! François Mernier and Erik Osinga will tell us about galaxies in our Universe. François Mernier: &quot;The link between supernovae, supermassive black holes, and the large-scale Universe&quot;François Mernier is a research fellow at ESTEC (Noordwijk), one of the main centres of the European Space Agency. Although he loves all sides of X-ray astronomy, his work mainly focuses on galaxy clusters. In particular, he investigates the properties of the &quot;intracluster medium&quot;, a very hot (X-ray emitting) gas pervading the large-scale structure of our Universe. This hot gas actually represents a huge fraction of the &quot;ordinary&quot; matter in galaxy clusters: more than 4 times the total mass of all their galaxies! In his talk, François will focus on a key connection between this intracluster medium and the fascinating world of stars, supernovae, and even supermassive black holes in galaxies...Erik Osinga: &quot;Clusters of galaxies through radio eyes&quot;Erik Osinga is a PhD student at Leiden University, studying clusters of galaxies. Clusters of galaxies are the largest collections of galaxies that are bound together by gravity. Erik uses radio telescopes such as the LOFAR telescope to study what happens when these huge objects collide with each other, that is to say: when multiple galaxy clusters merge. In his talk, Erik will focus on the many processes that happen during these mergers, that would be invisible to us were it not for radio telescopes.Important information: According to the <a href="https://www.government.nl/latest/news/2021/09/14/netherlands-to-reopen-further-with-coronavirus-entry-passes" target="_blank" data-msys-clicktrack="0" rel="nofollow noopener noreferrer">latest government restrictions</a>, the 1.5 metre distancing rule is lifted but everyone aged 13 and over will have to show a valid coronavirus entry pass to gain admission. Everyone aged 14 and over will also have to show their ID along with their coronavirus entry pass. You can get a coronavirus entry pass if you are fully vaccinated, have valid proof of recovery, or a negative result from a coronavirus test taken less than 24 hours before entry. For people without proof of vaccination or recovery, getting tested is free of charge. You can generate a coronavirus entry pass using the CoronaCheck app on your mobile phone (see <a href="https://coronacheck.nl/" target="_blank" data-msys-clicktrack="0" rel="nofollow noopener noreferrer">https://coronacheck.nl/</a> for more information). We will be checking your coronavirus entry passes at the entrance to Grandcafé De Burcht and the event will begin at 8 PM sharp, so please arrive earlier to enter the bar, save a seat, and grab a drink. Due to the limited space, if you have registered but can no longer attend, please cancel your registration on the event page or get in contact with us (via e-mail or social media) to allow other interested persons to attend. We hope to make the event accessible to all by also streaming it live on our YouTube page (stay tuned for details). All ages and backgrounds welcome! More info at <a href="http://astronomyontap.nl/" target="_blank" data-msys-clicktrack="0" rel="nofollow noopener noreferrer">http://astronomyontap.nl/</a>

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Astronomy on Tap Leiden - Galaxies in the Universe!

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