25 zoekresultaten voor “black holes” in de Medewerkerswebsite
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First photo of black hole at the heart of our Galaxy
Finally we know for sure that there is a black hole at the centre of our own galaxy. Today, astronomers unveiled the first ever photo of Sagittarius A*, a super-massive object at the centre of the Milky Way. This picture could only be taken thanks to the cooperation of telescopes worldwide.
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Lindsay Black
Faculteit der Geesteswetenschappen
l.black@hum.leidenuniv.nl | +31 71 527 2218
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Karwan Fatah-Black
Faculteit der Geesteswetenschappen
k.j.fatah@hum.leidenuniv.nl | +31 71 527 2666
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Geert-Jan Kroes
Wiskunde en Natuurwetenschappen
g.j.kroes@chem.leidenuniv.nl | +31 71 527 4396
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Stéphanie Noach
Faculteit der Geesteswetenschappen
s.noach@hum.leidenuniv.nl | +31 71 527 2747
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Graphic techniques: the linoleum cut
Kunst en vrije tijd, Kunst en vrije tijd
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Photo & Digital
If you would like to have something photographed, digitised or reproduced, Photo & Digital has professional photographers and expert technicians.
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Visual material on the website
Good professional quality images that match your topic: images draw both attention to your page and strengthen its content. Bad images have the opposite effect. This is why we have listed a few tips below.
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ReaderOnline
Looking for an easy way to compile, order or view readers online? Then meet ReaderOnline. The instructions below will help you on your way.
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How to record with a video crew/in the studio
What do you need to record a knowledge clip in the studio? You can find below a checklist of the materials you need to bring to a studio recording. Keep in mind that this checklist depends on the kind of video you want to record. Always discuss the specifics for producing such a video with your video…
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Practical matters concerning the PhD ceremony
If you are granted permission to defend your thesis at Leiden University, please take into account the rules concerning the PhD ceremony. Below you find an overview of the practical matters.
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‘The COVID-19 crisis just goes to show how things can go wrong’
Ijeoma Uchegbu is Professor of Pharmacy at University College London (UCL). As a female scientist of colour, she was initially reluctant to play an active role in the university’s diversity policy. Until, that is, she had a radical change of heart: ‘I knew it; I had to become an evangelist.'
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Business Analyst
Wiskunde en Natuurwetenschappen
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Requesting facilities for working from home
If you work at home on a structural basis – at least one day a week – and you have an employment contract for 19 hours or more, you can request facilities for working from home
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Back to university: ‘A bit apprehensive but mostly pleased’
After almost 18 months of following lectures alone in their rooms, many students are going back to face-to-face classes for the first time. And the same is true for the lecturers. How do people feel about it? We went to Leiden Law School to find out. ‘For a whole year, I’ve been watching lectures in…
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Be alert when you scan QR codes
ICT
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Diversity, equity and inclusion in the sciences and beyond
Symposium
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A real professor in the classroom
It’s starting to become a real Dies Natalis tradition: on 8 February professors from Leiden University teach a class at primary schools in the region. This introduces children to academia and teaches them more about conducting research. ‘Had you expected me to be a woman?’
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Alumna Natacha Harlequin: ‘When it really matters, I’m a lion’
She stands out for the moderate tone she takes in discussions on Dutch talk shows. Without judgement you can have an open conversation, criminal lawyer Natacha Harlequin learned in her student days in Leiden. ‘What I personally think of the alleged act doesn’t matter so much.’
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Leiden Classics: the man behind the beadle
Almost everywhere in the world where the post exists, the beadle is a ‘master of ceremonies’ who only makes his appearance on special occasions. In Leiden the beadle does much more. He is indispensable at dissertation defences and orations. He directs ceremonies and is a master at calming nerves.
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Anti-Asian racism deserves much more attention
Racism and discrimination come in many different shapes and forms – in the Netherlands too. Verbal attacks, stereotypes and violence: some people are confronted with these on a daily basis. A group that is often not included in research and the debate on racism is people of Asian descent. The Diversity…
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Leiden Classic: 4 Questions on the origins of the university and the Dies Natalis
Every year around 8 February, Leiden University, the oldest university in the Netherlands, is celebrating its birthday. Why does the King still receive a telegram on the day of the Dies Natalis? 4 questions on the origins of Leiden University and its traditions for celebrating its foundation day.
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Decolonising Knowledge Symposium
Congres/symposium, Symposium
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Alumna Sytske Besemer on living and working abroad
This month's flash interview is with alumna Sytske Besemer, Criminologist, who works at a startup called Cradle. Sytske has specifically chosen to work for a company with societal impact. And she is about to move again, this time to Zürich.
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Snow, a mini-cortège and a new rector: a special Dies Natalis
No procession of professors, just a handful of people in the church and snowdrifts outside Leiden’s Pieterskerk: 8 February 2021 was no ordinary Dies Natalis. Carel Stolker transferred the rectorate to Hester Bijl, and Annetje Ottow became the new President of the Executive Board. With an honorary doctorate…