69 search results for “protoplanetary dirk” in the Student 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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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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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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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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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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MSc Research presentation Roya Ahemeh on Friday 31 March @11h00, using Zoom
Education
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Msc Thesis presentation Geert Timmerman on Wednesday 27 March @ 13h15 pm, Room GM4.13
Education
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Evania Lina FasyaSocial & Behavioural Sciences
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Josephine van der HaveFaculty of Law
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Olympic silver for master student LST Stef Broenink
Not one, but two Olympic rowing medals with a Leiden-Delft touch. Master student Life, Science and Technology Stef Broenink won silver in the double pair. He and partner Melvin Twellaar were in front for a long time, but were overtaken by the French at the last minute.
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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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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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Metje Postma retires after 37 years
This February Metje Postma will stop teaching and retire. But she is not done with the discipline yet: she will finish her PhD and there are still five films on the shelf that she plans to complete.
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Win a ticket for Bernie Sanders and students – An open dialogue
On the 11th of October 2023, Senator Bernie Sanders will have an open dialogue with the students of Leiden. We have some good news! Although the event is officially sold out, we are happy to give away 50 tickets to our FGW-students! Are you a student at the Faculty of Humanities? And would you like…
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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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Matthijs AppelmanFaculty of Law
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‘All of Leiden will join in with the Seeing Stars experiment’
What will happen if the lights in a large part of the city are switched off? How many stars can you see without all that light pollution? This is what researchers, artists and the residents of Leiden are going to investigate during Seeing Stars Leiden on 25 September. ‘Leiden is the ideal place for…
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Wives of professors, students and alumni played a crucial role in Leiden’s women’s rights movement
PhD candidate Agnes van Steen researched the history of the Leiden women’s rights movement (1860-1990) and found that the university produced many feminists.
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Leiden Law Op 1 marks the start of a new and innovative academic year
On Tuesday 6 September, the faculty year 2022-2023 got off to a great start with Leiden Law Op 1, our yearly talkshow live from the Kamerlingh Onnes Gebouw. Together with the Faculty Board, academic staff and students, we looked ahead to the upcoming academic year.
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Confidentiality clauses with penalty clauses should not be invoked when misconduct is reported
Confidentiality clauses that contain penalty clauses in television production contracts are common, permissible and useful, but can never be invoked against disclosing misconduct, such as unacceptable behaviour. This is claimed by Dirk Visser, Charlotte Vrendenbarg and Richard Trouborst in their article…