636 search results for “jaap where since telescope” in the Public website
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Final weeks: Above and Beyond
January is the final month of our temporary exhibition 'Above and Beyond: Making Sense of the Universe for 100 Years'. You can visit every weekend until Jauary 26th.
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Astronomers see gigantic collisions of galaxy clusters in young universe
An international team of researchers led by Leiden University (the Netherlands) has mapped nine gigantic collisions of galaxy clusters. The collisions took place seven billion years ago and could be observed because they accelerate particles to high speeds. It is the first time that collisions of such…
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Brand new exhibition open for visit: Above and Beyond
Starting April 13 a brand new exhibition is open for visit, titled 'Above and Beyond: Making Sense of the Universe for 100 Years
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Four Vici grants for Leiden University researchers
Four researchers from Leiden University have been awarded prestigious Vici grants the Dutch Research Council (NWO) has announced. The honoured applications are from researchers at the Faculty of Social and Behavioural Sciences, Leiden Observatory, the LUMC and the Faculty of Archaeology.
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New flowchart to eliminate Universe models
Cosmologists have many possible models for the Universe, of which only one can be true. A new flowchart will eliminate some of them when two specific Universe features are accurately measured. Publication in Physical Review D on 7 November.
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Rob van Nieuwpoort new professor of Efficient Computing and eScience
As of 1 October Rob van Nieuwpoort is the new professor of Efficient Computing and eScience at the Leiden Institute of Advanced Computer Science (LIACS). Van Nieuwpoort brings with him a wealth of expertise: he is an expert in eScience, high performace computing and advanced algorithms.
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People, Places, Stories
An EU-project full of suggestions for cultural associations...
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No agreement between VSNU and Oxford University Press
The universities in the Netherlands and Oxford University Press (OUP) have been unable to reach a new agreement for access to academic journals.
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‘Research on slave ships too moralistic’
‘In recent publications about the slave trade the same rhetorical weapons are used as two centuries ago in the battle for the abolition of the British slave trade. It is a topic fraught with emotions, but that should not prevent historians from being as careful and impartial as possible in their research,’…
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Leiden, Delft and Erasmus to apply ‘big data’ for urban issues
The new inter-university centre set up by Leiden University, Delft University of Technology and Erasmus University Rotterdam is to apply ‘big data’ research for urban issues.
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Gerard van Westen: ‘My first 100 days as a SAILS Professor in Leiden’
SAILS Professor Gerard van Westen tells us about his first 100 days 'in the office'.
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Open University and Leiden University start Joint Legal Technologies Program
The Open University and Leiden University will join forces to offer a (Dutch-taught) Joint Legal Technologies Program for professionals. In doing so, they can provide the advanced legal informatics training that is necessary in our rapidly digitising society. The joint program is a further development…
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Twinkle, twinkle, giant star
Up above the world so high a giant star twinkles. Could an 83-year-old astronomer unravel the mystery of this megastar? ‘At times I thought: that’s it! I give up! It’s beyond me.’
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Female Researchers in the Spotlight for Physics & Astronomy Ladies' Day
On Thursday November 15th, Leiden University organizes its Physics & Astronomy Ladies' Day for female high school students. To mark this festive day, we put the spotlight on five female researchers, who talk about their experiences working in science.
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The road to the beginning
Exhibition
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Data Science
The ability to collect and interpret huge quantities of data has become indispensable to society and academia. Leiden University is a knowledge and expertise centre for data science that places the emphasis on interdisciplinary collaboration and innovation.
- Student experiences
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Open Science Coffee: Credit where credit is due - a lesson from team science
Lecture
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Leiden astronomer Henk van de Hulst: humble man with great authority
World-famous among astronomers, humble, and averse to conventions. On 23 April, the Dutch biography about Henk van de Hulst was published. Biographer Dirk van Delft: ‘This remarkable man deserved a biography.’
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Six university buildings you can visit on the Open Monument Days
Of the 32 historic buildings that are opening their doors to the public on the Open Monument Days on 8 and 9 September, five are University buildings. The Hortus Botanicus is also open.
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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.
- Open Science Coffee: Credit where credit is due - a lesson from team science
- National Sun Watching Day - Online
- Where is the Caribbean in the Dutch WPS National Action Plan?
- Leiden Observatory Festival - Dive into the Universe
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Planet found too big for its parent star
The discovery of a planet far too large for its sun defies models about the formation of solar systems and planets. In a paper in Science, researchers, including Yamila Miguel of Leiden Observatory, report the discovery of a planet more than 13 times heavier than Earth orbiting the ultracool dwarf star…
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Planeetvormende schijven evolueren verrassend vergelijkbaar
Our solar system probably evolved in the same way as most of the other planetary systems around us. This has been shown by German-Austrian-Dutch research on more than 870 planet-forming disks in the Orion cloud A. The five researchers, including three from the Leiden Observatory, published their findings…
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Five tips for Museum Night Leiden
Museum Night on Saturday 28 May is a good opportunity to discover the unique museums in Leiden. Thirteen museums will open their doors and give visitors the chance to experience these locations in a different light.
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Towards molecular complexity in birth places of stars: Formaldehyde formation from carbon atoms reacting with water ice
Scientists at Leiden University (Netherlands), Stuttgart University (Germany) and Ural Federal University (Russia) have successfully put forward a novel, computed, reaction mechanism that was experimentally tested and show that formaldehyde is formed at much earlier stages in the birthplaces of stars…
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Understanding Single Photon Detectors
Leiden physicists have developed a way to address how accurately a superconducting single photon detector (SSPD) can be characterized by detector tomography. SSPDs are not fully understood, and tomography is a key element to determine how these devices detect light. A better understanding of these detectors…
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Most detailed galaxy photos yet are world news
Media all around the world reported about it: the most detailed images yet seen of galaxies, shot by radio telescope LOFAR. The international team behind these amazing results were led by Leah Morabito at Durham University and included three talented Leiden astronomers.
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‘Relocation SRON only offers opportunities’
SRON Netherlands Institute for Space Research is moving. In 2021, the Utrecht branch of the institute will be located in South-Holland. Leiden professor Paul van der Werf sees the move as a great enrichment: ‘It will all be much easier when SRON is located here behind us in the parking lot two years…
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Jan Hendrik Oort: star of Dutch radio astronomy
The success of Dutch radio astronomy in the last century was largely due to Leiden astronomer Jan Hendrik Oort. He made astute use of circumstances in the post-war period. Historian Astrid Elbers' research focuses on this golden period.
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A computer made of floppy rubber
A piece of corrugated rubber can function as a simple computer, displaying memory and displaying the ability to count to two. Leiden physicists describe the computing rubber in the journal PNAS. ‘Simple materials can process information, and we want to find the principles behind that.’
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Leiden project wins international astronomy engagement award
The online summer programme Space in Your Living Room by Leiden Observatory has won the first prize ‘Most Innovative Event’ of the Astronomy@Home Awards from the International Astronomical Union. In July and August 2020, participants could for example talk to real astronauts and imagine life forms in…
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Nienke van der Marel receives New Horizons Prize
Nienke van der Marel has been awarded the New Horizons Prize in physics for her pioneering research on planet formation. This prize is given to young, promising researchers in physics or mathematics. The astronomer and her colleagues found the first observational evidence for 'dust traps' in disks around…
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Beijing Normal University visits Leiden for Astronomy Summer School
The Leiden Observatory was very pleased to welcome eight bachelor’s students from Beijing Normal University at 8 July for the BNU Astronomy Summer School. In two weeks’ time, the Summer School students followed an interactive programme in computational astrophysics. ‘It’s surprising how much you can…
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Dorothea Samtleben: Nikhef's first female program leader
As of April 1, physicist Dorothea Samtleben is the first female program leader of Nikhef, the National Institute for Subatomic Physics. Samtleben will lead the Neutrino Physics group there. ‘This is an important step for Nikhef when it comes to diversity.’
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Climate and elections: these were your top stories from 2023
The year 2023 saw the earthquake in Turkey and Syria, the Wagner Group rebellion and wildfires and floods as all the weather records were smashed. Our most-read stories were about the climate crisis and the elections: here’s the list.
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First discovery of high-energy neutrino source
For the first time, scientists have traced back a high-energy neutrino to its source in space. It was produced by a so-called blazar—a supermassive black hole. Researchers from neutrino detector IceCube report this in Science. ‘This is a milestone for neutrino science,’ says physicist Dorothea Samtleben…
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Astronomy student searches for giant rings with pictures from 1890
Meticulous analysis of hundreds of photographic plates from the star J1407 between 1890 and 2007 show no stellar eclipses. Robin Mentel, a master student at Leiden University, could not detect eclipses of the star J1407 by a planet hypothesized to have giant rings, called J1407b. However, an eclipse…
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Seeking balance in a changing world and university
The world around us is changing. What does that mean for the future of Europe, on this turbulent world stage? And what does it mean for our teaching, and for the expectations that Leiden University has of its students? These were the key questions during the opening of the 2018-2019 academic year on…
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No moderation in tone at Trump's inauguration
The brand-new American President Donald Trump delivered his inaugural speech on 20 January. There was little sign of conciliation and he was liberal with the truth, in the opinion of a number of Leiden academics. One professor is more positive: 'He wants to take on radical Islam.'
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LIC Lecture: Density functional theory in chemistry: Where are we today?
Lecture
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Efficient Deep Learning
Lecture
- National stargazing days
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Bas Edixhoven Memorial Symposium
Conference
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Letters as loot
Linguistic research on a unique collection of Dutch letters allowed us to gain access to the every-day language of people from various walks of life. Private letters by men, women and even children have been elaborately explored in the Letters as Loot researchprogramme, initiated and directed by prof.…
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Effective Protection of Fundamental Rights in a pluralist world
What opportunities and threats flow from the existence of institutional and normative diversity in the area of fundamental rights for the effective protection of those rights in a pluralist world?
- Night of the Night