2,293 search results for “jaar werk science telescope” in the Public website
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The densest matter in nature
What is neutron star matter?
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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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Exploring the Universe
Astronomers want to understand the Universe, from the Big Bang to the present day, and what the future will hold. In Leiden they focus on two key questions: ‘How did stars and planets originate’ and ‘How were galaxies and black holes formed in the young Universe?’ A new generation of telescopes – just…
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Meta-ethiek. Methode, theorieën, ontwikkelingen
Do objectively correct solutions to ethical dilemmas exist? Or is ethics always a matter of your opinion against my opinion? How do you know what to do? What kind of thing is ethics anyway? Can you be an expert in ethics?
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Webb reveals chemical profile of atmosphere of exoplanet WASP-39 b
An international team of astronomers has revealed the first 'chemical profile' of an exoplanet's atmosphere. The team, including Leiden astronomer Yamila Miguel and provenda Amy Louca, made the profile using so-called Early Release Science data from the James Webb Space Telescope. The results have been…
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Sustainable demolition of the Faculty of Science building
The demolition of the high-rise building is ready. The remaining debris are removed and the area is cleared. For the demolition, the University applied the BREEAM evaluation method at the level of ‘Excellent’, which means that the demolition operations were carbon neutral and did not cause any form…
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Data Science for State-of-the-Art Blood Banking (BloodStart)
There are around 300,000 people in the Netherlands who donate blood on a regular basis. Women can give blood up to three times a year and men up to five times, resulting in approximately one million blood donations each year. Patients that receive this donated blood are already in a vulnerable condition,…
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Journalistiek in Irak tweegesprek met Judit Neurink en Sakir Khader
LUCIS organiseerde op woensdag 4 maart een speciale avond over journalistiek in Irak. Journaliste Judit Neurink en programmamaker Sakir Khader vertelden over hun ervaringen en recente werkzaamheden in het land. De avond stond onder leiding van Wendelmoet Boersema (politiek redacteur van dagblad Trou…
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Islamitisch basisonderwijs in Nederland
Marietje Beemsterboer defended her thesis on 12 June 2018 (in Dutch)
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Star birth: a slow and mysterious drama
A star does not just appear in the sky overnight. Its creation takes tens of thousands of years. Twenty years ago, astronomers took a picture of a star in its birth phase. The James Webb Space Telescope (JWST) could now capture that same star in much greater detail. This does not only provide beautiful…
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Visitor Center
Visit our exhibition JWST Universe and be immersed in the phenomenal images from this groundbreaking telescope.
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School programmes
The Old Obervatory Leiden is one of the partners of the local learning ecosystem ‘Verwonder om de Hoek’, an educational platform from Leiden that lets school children and families wonder about the world of Nature, Science, Technology and Sustainability. On this page you will find the educational programmes…
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intermediate pressure and temperature: revisiting the fruit fly of surface science
Promotor: M.T.M. Koper, Co-promotors: A.I. Yanson, L.B.F. Juurlink
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Prying eyes on radio skies: pushing the high-resolution low-frequency frontier with LOFAR
In this thesis we push the boundaries of high-resolution imaging at radio frequencies between 100 and 200 MHz. Using the International LOFAR Telescope that spans across Europe we achieve sub-arcsecond angular resolution.
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Searching for the sibling of the earth
Are there other planets like the earth, and will there also be life? Astronomers study planets around stars other than the sun, with the aim to find out what kind of gasses their atmospheres are made up with.
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The Observatory
On this section of the website you can find more information about the Old Observatory and the current astronomy research institute.
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Neutrinos From the Milky Way
Promotor: M. de Jong, Co-Promotor: Samtleben
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Vici grant for research on the formation of galaxies
How do galaxies form? That is what astronomer Mariska Kriek will be researching in the coming years. She received an NWO Vici grant of 1.5 million euros to study galaxies in the early universe. ‘This research uses new and unprecedented observations from the James Webb Space Telescope (JWST). These allow…
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Live long and healthy
Leiden University will be 444 years old this year and is still very much alive and kicking. But how can we humans grow old healthily? Hanno Pijl at LUMC is the grand master of lifestyle medicine. He explains how we can all benefit from a sensible - but still enjoyable - lifestyle.
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Faculty Teaching Prize nominees in the spotlight
Who will win this year's Teaching Prize of the Faculty of Humanities? On Thursday September 12th, we will find out during the faculty party in the Stadsgehoorzaal. Prior to the award ceremony you can come and listen to a mini lecture/HUM Talk of the four nominees in which they will give a sneak peek…
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Gas-surface reaction dynamics and surface science
The local ordering of atoms at the surface of a metallic particle determines its catalytic activity and selectivity. As energy systems of the future will be based on efficient catalytic conversion of small molecules in closed cycles, we study how structural effects of catalysts can be used to our ad…
- Teaching Social Sciences and Humanities in Secondary Education (MA)
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Why fundamental science matters
Why do we need fundamental science? For a lot of reasons, speakers showed at the Lustrum Symposium ‘Science Matters’. This symposium was held on 18 March 2016 to celebrate the 200th anniversary of the Faculty of Science.
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Leiden Observatory
With each discovery that is made, the universe reveals a fraction of its secrets: the most distant galaxies and quasars, the atmosphere of exoplanets, evidence of dark matter, complex molecules in space. This is what fills the days and nights of the researchers from the Leiden Observatory and their…
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Evening at the Observatory
Every month there is an opportunity to visit the Old Observatory in the evening. These open evenings consist of a lecture followed by a visit to the telescopes in the building.
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Hanshu Yu
Science
h.yu@liacs.leidenuniv.nl | +31 71 527 2727
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Alberto Ceria-
Science
a.ceria@liacs.leidenuniv.nl | +31 71 527 2727
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Jurriaan Witteman
Faculty of Humanities
j.witteman@hum.leidenuniv.nl | +31 71 527 8031
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Sanne Kellij
Faculteit der Sociale Wetenschappen
s.kellij@fsw.leidenuniv.nl | +31 71 527 2727
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Willem Otterspeer
Faculty of Humanities
w.otterspeer@hum.leidenuniv.nl | +31 71 527 7242
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Alies Jansen
Faculty of Humanities
e.jansen@hum.leidenuniv.nl | +31 71 527 1255
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Oscar Rueda
Science
o.rueda@cml.leidenuniv.nl | +31 71 527 2727
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Chemistry between stars and planets
In the large gas clouds between the stars, chemical reactions take place under extreme conditions, giving rise to both small molecules, such as water and common salt, as well as large complex molecules that can serve as the building blocks of life. This is known as astrochemistry and it is something…
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Searching for life in the Universe
Is there extra-terrestrial life out there? It now looks as though we can sketch out an answer to this enduring question. Leiden Observatory is helping to build new instruments to find the most promising exoplanets.
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Research
The Faculty of Social and Behavioural Sciences brings together high-quality research and outstanding mono- and multidisciplinary teaching.
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Welcome to the Leiden University Faculty of Social and Behavioural Sciences
The Faculty of Social and Behavioural Sciences brings together high-quality research and outstanding teaching.
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The Dark Middle Ages: Language of Vice in Histories of Science, 1700-1900
In comparing a selection of 18th-century histories to a representative sample of 19th-century histories of science, this project inquires: Which early modern vices persisted into the 19th century and to what extent were those vices embodied in anecdotes, conveyed through commonplaces, or symbolically…
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and History Towards a Hermeneutic Philosophy of Historiography of Science
Nature and History, Towards a Hermeneutic Philospohy of Historiography of Science
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About us
The Faculty of Social and Behavioural Sciences brings together high-quality research and outstanding mono- and multidisciplinary teaching.
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Governance, Economics and Development (BSc Major of Liberal Arts and Sciences: Global Challenges)
Wrenching poverty, global inequality, violent political and ethnic strife, deadlocked, unresponsive or even collapsing governments, growing dissatisfaction with democracy and missed opportunities for innovation – these are merely some of the challenges of governance and development with which our programme…
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Open day at space research institute at Leiden Bio Science Park
SRON, the Netherlands Institute for Space Research, is holding an open day on Sunday 25 September. It has had a branch at the Leiden Bio Science Park since 2021 and works closely with Leiden University.
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Webb reveals new details in Pandora’s Cluster
Astronomers have captured a new deep field of Pandora's Cluster (Abell 2744) with the James Webb Space Telescope. The images show never-before-seen details. The results are described in four scientific papers. Leiden astronomers Marijn Franx and Mariska Kriek collaborated on the study. 'This opens a…
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Mapping for meaning: using concept maps to integrate clinical and basic sciences in medical education
In which way and to which extent is integration articulated in concept maps and which factors affect the resulting concept maps? By which factors is the perceived usefulness of such concept maps affected?
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Education
BSc degrees: ‘Political Science’, ‘International Relations and Organisations’. MSc degree: Political Science, with specialisations ‘International Organisation’; ‘Dutch Politics; ‘Nationalism, Ethnic Conflict, and Development’; ‘International Politics’; ‘Political Legitimacy and Justice’; ‘Democracy…
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Global Public Health (BSc Major of Liberal Arts and Sciences: Global Challenges)
Although the world has made tremendous progress in health, education, sanitation and hygiene, global public health challenges still exist. Disparities in health exist between and within nations as evidenced by inequalities in disease burden, mortality, nutrition and environmental well-being. How does…
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Michael Meffert
Faculteit der Sociale Wetenschappen
m.f.meffert@fsw.leidenuniv.nl | +31 71 527 2727
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Capturing polarised light in the search for alien plants
A new way to decipher the light from distant worlds could give us unmistakable evidence of extraterrestrial photosynthesis, and maybe alien plants, finds astronomy author Colin Stuart in the New Scientist. In his article, he describes the work of the group led by Leiden astronomer Rob van Holstein.…
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Earth, Energy and Sustainability (BSc Major of Liberal Arts and Sciences: Global Challenges)
At the start of the 20th century there were fewer than 2 billion people. Now at over 7 billion, Earth’s population is on target to reach 8 billion by 2027. How has this dramatic increase in human population impacted Earth’s life support systems and natural resources? How should we understand the meaning…
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Mapping for meaning. Using concept maps to integrate clinical and basic sciences in medical education
In which way and to which extent is integration articulated in concept maps and which factors affect the resulting concept maps? By which factors is the perceived usefulness of such concept maps affected?
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RISIS – Research infrastructures for the assessment of science, technology and innovation policy
The RISIS project aims at creating a distributed research infrastructure to support and advance science and innovation studies. This will give the field a strong scientific push forward, and at the same time, provide a radically improved evidence base for research and innovation policies, for research…