218 search results for “protoplanetary dies” in the Student website
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Dies Natalis
University ceremony
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Xinyu DiFaculty of Science
x.di@lic.leidenuniv.nl | +31 71 527 2727
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Fred di BonHealth, safety and environment
a.dibon@vgm.leidenuniv.nl | +31 71 527 3094
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Victoria Di CésareSocial & Behavioural Sciences
v.di.cesare@cwts.leidenuniv.nl | 071 5272727
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Protoplanetary discs are much smaller than previously thought
Many protoplanetary discs in which new planets are formed are much smaller than thought. Using the Atacama Large Millimeter/submillimeter Array (ALMA) scientists of the Leiden Observatory looked at 73 protoplanetary discs in the Lupus region.
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Jacopo Di VenturaFaculty of Science
j.di.ventura@liacs.leidenuniv.nl | 071 5272727
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Filippo di TillioFaculty of Science
f.di.tillio@lacdr.leidenuniv.nl | 071 5276274
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Martín Hernán Di MarcoFaculty of Governance and Global Affairs
m.h.di.marco@fgga.leidenuniv.nl | 070 8009500
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Matthew di Giuseppe
Social & Behavioural Sciences
m.r.di.giuseppe@fsw.leidenuniv.nl | +31 70 800 6757
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Lukasz TychoniecFaculty of Science
tychoniec@strw.leidenuniv.nl | 071 5272727
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Dies Natalis all about innovating and connecting
‘We could share our knowledge more with others and apply it more widely,’ said Annetje Ottow, President of the Executive Board, while presenting the new Strategic Plan on the University’s 447th Dies Natalis. The new Strategic Plan therefore focuses on innovating and connecting, among disciplines and…
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Princess Beatrix to attend 450th Dies Natalis
Her Royal Highness Princess Beatrix of the Netherlands will attend the Dies Natalis ceremony at Leiden's Pieterskerk on Friday 7 February to celebrate our 450th anniversary.
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Leiden University celebrates curiosity at 449th Dies Natalis
How has evolution shaped our curiosity? And how does that curiosity ensure that we now have the technological ability to discover whether we are alone in the universe? This was all covered during the celebration of Leiden University’s 449th Dies Natalis.
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the Executive Board Annetje Ottow launches new strategic plan at the Dies Natalis
‘It truly is a plan by and for us all,’ said Annetje Ottow, President of the Executive Board, at the Dies Natalis celebration on 8 February. Leiden Law School was also actively involved developing in the strategic plan.
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Value of science the focus of 448th Dies Natalis
The importance of science communication and cross-boundary collaboration, and the ‘mantra’ of diminishing social cohesion in society: these all came up at Leiden University’s 448th Dies Natalis. A panel discussion including Leiden’s mayor Lenferink, music and two honorary doctorates completed the special…
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Leiden University celebrates Dies Natalis: ‘Ahead of the times for 450 years’
An extra-long cortège, three honorary doctorates, a quiz about 450 years of university history, a Dies Natalis rap and a call to defend academic freedom: these all featured in Leiden University’s 450th Dies Natalis celebration and the official start of its jubilee year.
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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…
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Dies Natalis
University ceremony
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First ring-forming embedded planet discovered around a young sun-like star
Astronomers led by Leiden PhD candidate Richelle van Capelleveen have, for the first time, discovered an exoplanet that has carved a bright gap in the protoplanetary disc around its star. This rare observation provides new insights into how young planets shape their surroundings.
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Surprising molecule helps detect protoplanets
A team of scientists, including Leiden Astronomer Alice Booth, has discovered silicon monosulfide molecules in the dust disk around a young star. Such molecules indicate planet formation. The team made the discovery using the ALMA telescopes. This method provides an alternative when direct observation…
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Royal honour for former Rector Magnificus Carel Stolker
Carel Stolker, former Rector Magnificus and President of the Executive Board of Leiden University, has been made an Officer in the Order of Orange-Nassau for his services to the city and University. Mayor Henri Lenferink awarded the royal honour to Stolker at the University’s Dies Natalis on 8 February…
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Honorary doctorate for Canadian-American astrophysicist Sara Seager
Leiden University will confer an honorary doctorate on astrophysicist Sara Seager for her work on exoplanets.
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What was there first? Water or planets?
Could water be present in planet-forming disks before the formation of rocky planets? The James Webb Space Telescope may have found evidence for that. Webb has for the first time observed water in the inner disc around young star where at greater distance, giant planets have already formed. The research…
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In the Making #7: { Dis, A } - Pearing
Arts and culture
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all’italiano odierno: cinque secoli di lingua e stile Simposio per il cinquecentenario delle Prose della volgar lingua di Pietro Bembo (1525–2025)
Conference, Symposium
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Student cleans up archival data and uncovers two stellar cocoons
While investigating 16 years of images of young stars from a retired astronomical camera, Leiden master's student Sam de Regt discovered that two of those stars were still enveloped in birth clouds. Never before has anyone captured these two stars in so much detail. He publishes his data-cleaning method…
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Book ‘De Glazen Toren’: ‘The balance isn't quite right anymore’
Writing a book on the recent history of Leiden University in corona times. For educational and policy historian Pieter Slaman (34), this has meant working in the attic of his parents’ house while they looked after his daughter, along with numerous online conversations and very few, if any, visits to…
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Academic calendar
The academic year officially commences on 1 September and ends on 31 August. On national holidays and compulsory closure dates, the university is closed and no lectures take place.
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Meet the professor: ‘Can my sister be prosecuted for stealing my eraser?’
On the university’s birthday, professors teach a class of 10 and 11-year-olds during Meet the Professor. The professors were bombarded with questions.
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UV radiation from massive stars prevents formation of Jupiter-like planet
An international team of scientists, including Xander Tielens of Leiden Observatory, has used space telescope Hubble and the ALMA observatory to show that UV radiation from massive stars can prevent planets from forming. The researchers publish their findings on 1 March in the journal Science.
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Honorary doctorate for Graça Machel: fund for female students from South Africa
On the occasion of the conferral of an honorary doctorate to children’s rights activist Graça Machel, a fund has been established that will enable two female students from South Africa to come and study in Leiden.
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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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Tracking the origin and evolution of molecules in space
How do molecules originate and evolve in space? And how does that ultimately determine the chemical composition of planets and their atmospheres? The Dutch Astrochemistry Network (DANIII) receives 1.6 million euros from NWO to find out. A large group of Leiden astronomers and chemists is contributing:…
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For the first time, astronomers witness the dawn of a new solar system
International researchers have, for the first time, pinpointed the moment when planets began to form around a star beyond the Sun. Using the ALMA telescope, in which the European Southern Observatory (ESO) is a partner, and the James Webb Space Telescope, they have observed the creation of the first…
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Eloquence of the Ineffable — The aftermath of the 2018 opera La Tragedia di Claudio M
Arts and culture
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Alessia AspideSocial & Behavioural Sciences
a.aspide@fsw.leidenuniv.nl | 071 5272727
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Caspar SchmeitsFaculty of Science
c.j.schmeits@biology.leidenuniv.nl | 071 5272727
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Pouria MirelmiSocial & Behavioural Sciences
s.p.mirelmi@fsw.leidenuniv.nl | +31 71 527 2727
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Innovating and connecting
447th Dies Natalis
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Latin America’s fight against femicide
Across Latin America, stories of violence against women reveal how deeply gender, power en inequality are intertwined. Researcher Martín Hernán Di Marco tells how storytelling, activism and research together challenge the global cycle of violence against women and girls.
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Kathleen Brown
Faculty of Governance and Global Affairs
k.j.brown@fgga.leidenuniv.nl | 070 8009500
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Alyssa Akkerman
Social & Behavioural Sciences
a.t.akkerman@fsw.leidenuniv.nl | +31 71 527 2727
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Jasper's Day
Jasper Knoester is the dean of the Faculty of Science. How is he doing? What kinds of things is he doing and what does his day look like? In each newsletter Jasper gives a peek into his life as dean.
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Binary star reveals: planet formation doesn’t always happen in sync
A team of international researchers led by Tomas Stolker in the Netherlands has imaged a young gas giant exoplanet near a 12-million-year-old star. The planet is orbiting a star at which planet formation has finished, while the same-aged companion star still has a planet-forming disk. The researchers…
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Jasper's day
Jasper Knoester is the dean of the Faculty of Science. How is he doing, what exactly does he do and what does his day look like? In each newsletter, Jasper gives an insight into his life.
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Leiden University is travelling to the past and the future for its 450th birthday
Leiden University is celebrating its 450th anniversary in 2025 with a feast for the eyes, ears and spirit. The anniversary year opens with an extra special Dies Natalis on 7 February. Highlights includes an alumni festival, three exhibitions and a canal concert.
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Bernet ElzingaSocial & Behavioural Sciences
elzinga@fsw.leidenuniv.nl | +31 71 527 3745
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Academic calendar
The academic year officially commences on 1 September and ends on 31 August. On national holidays and compulsory closure dates, the university is closed and no lectures take place.
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Timetable
Schedules