94 search results for “protoplanetary dirk” in the Staff website
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Dirk VisserFaculty of Archaeology
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Dirk Lesman
Faculty of Science
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Dirk Kolff
Faculty of Humanities
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Dirk WeversFaculty of Science
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Dirk Winnemuller
Faculty of Law
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Dirk Barens
Administrative Shared Service Centre
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Dirk Franken
Faculty of Science
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Dirk Winkelmolen
Administration and Central Services
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Dirk EngbertsFaculteit Geneeskunde
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Dirk BroekhuijsenFaculty of Law
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Dirk van DamFaculty of Science
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Dirk de Mol
ISSC
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Dirk van Delft -
Dirk van EckAdministrative Shared Service Centre
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Roeland Dirks
Faculteit Geneeskunde
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Dirk BouwmeesterFaculty of Science
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Dirk AlkemadeFaculty of Humanities
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Dirk VisserFaculty of Law
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Dirk Jan Moes
Faculty of Science
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Dirk van der HoevenFaculty of Science
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Dirk van Duyn
Faculty of Law
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Jan Dirk BlomSocial & Behavioural Sciences
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Dirk-Jan NijessenAdministration and Central Services
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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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Dirk-jan van den BergFaculty of Science
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Lukasz TychoniecFaculty of Science
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Olympic gold for Industrial Ecology student Dirk Uittenbogaard
Dirk Uittenbogaard, a student on the Delft-Leiden Master’s in Industrial Ecology, has won a gold medal for rowing at the Olympic Games in Tokyo. Uittenbogaard took gold in the men’s quadruple sculls, together with Abe Wiersma, Tone Wieten and Koen Metsemakers.
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Dirk Visser on copyright and platform liability YouTube
In a column on Mr. Online, Dirk Visser, Professor of Intellectual Property Law, looks at what You Tube is doing or should be doing to counter copyright infringements on the platform in a credible and effective manner.
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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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Breaking the Ice: Constraining the volatile distribution in protoplanetary disks
PhD defence
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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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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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Social media
Making use of social media is a good way to meet others or to hear about the latest news and developments. But it also has its downsides: disinformation, trolling, disrespectful comments and even the misuse of (personal) data.
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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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Committee on Human Rights / Conflict Zones
On 27 May 2025, the Executive Board decided to establish a Committee on Human Rights / Conflict Zones.
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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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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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Michiel SmitFaculty of Law
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Five years of ‘Meet the Professor’
For the fifth year in succession, on the foundation day of the university, Leiden professors taught a lesson at primary schools as part of the ‘Meet the Professor’ programme.
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AI models are full of Dutch art – what about copyright violation?
Are AI models such as Midjourney violating artists' copyright? Dirk Visser, Professor of Intellectual Property Law, spoke about this topic on Dutch current affairs news programme 'NOS Radio 1 Journaal' .
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Alumni ervaren inspiratie en gezelligheid tijdens Leiden Revisited
Oud-studenten gingen op 30 augustus weer de collegezalen in om hun vaste plekje op de banken op te zoeken tijdens Leiden Revisited. Bezoekers konden genieten van inspirerende lezingen, maar ook van een gezellige borrel, buffet, en livemuziek.
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Evania Lina FasyaSocial & Behavioural Sciences
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Josephine van der HaveFaculty of Law
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Opening faculty year 2022-2023 with talkshow Leiden Law Op1
On Tuesday 6 September the faculty academic year 2022-2023 will be opened with a talkshow to be broadcast live from the Kamerlingh Onnes Building: Leiden Law Op1.
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How a Dutch man collecting 400,000 pieces of litter ended up on a scientific paper
Anti-litter activist Dirk Groot photographed, tagged, and collected more than 400,000 pieces of litter in the Netherlands. Now, he and his data are included in a study on urban litter by researchers from Leiden University and Andrea Ballatore from Birkbeck, University of London.
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Leiden Revisited: terug in de collegebanken!
Tijdens Leiden Revisited kregen alumni van de Rechtenfaculteit de mogelijkheid om zich weer even echt student te voelen. Dit jaar vond het evenement namelijk plaats in de (oude) vertrouwde collegebanken van het Kamerlingh Onnes Gebouw.
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Algorithms descend into our sewers to improve inspections
They never cross our minds until, that is, they become damaged and then they’re a huge problem: our sewers. Their maintenance could be much faster and more accurate, PhD candidate Dirk Meijer has discovered. Algorithms are also proving to be a godsend deep underground.
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PhD Association LACDR (PAL)
As of January 2024, the LACDR has a PhD Association (PAL), currently comprised of 9 members! PAL represents the interests of all LACDR PhDs (employed, contract, and external). We do this by 1) representing the interests and concerns of PhDs, 2) advocating the rights and welfare of PhDs, 3) communicating…
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PhD Association LACDR (PAL) - Leiden University
The PhD Association of the LACDR (PAL) is here to support YOU! Our team of 8 dedicated members represents every division at LACDR, ensuring that all PhDs—whether employed, contract, or external—have a voice.