805 search results for “jaren werd space telescope” in the Public website
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Testimonies, Spatial Photography: Aerial imagery and photogrammetry in spaces of conflict and colonisation
Lecture
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The persistence of space: Formalizing the polysemy of spatial relations in functional elements
PhD defence
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Goede redenen voor foute taal: Een open symposium over taalregels in het brein en in de maatschappij
Foute taal? Bestaat niet!
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In memoriam: Maolin Zhang
We are grief-stricken that our PhD student Maolin Zhang passed away during the early morning of January 17th 2019. He died during a terrible fire that took place at his house in Hillegom.
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72 galaxies never deteted before
Using the MUSE instrument on ESO’s Very Large Telescope in Chile, an international team of scientists, including many Leiden astronomers, have conducted the deepest spectroscopic survey ever. They focused on the Hubble Ultra Deep Field, measuring distances and properties of 1600 very faint galaxies…
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A much sharper picture of the universe with new algorithms and supercomputers
With new algorithms and supercomputers, an incredibly detailed radio map of the universe was created. Now astronomers can look at radio data of galaxies with much more precision. This was published in Nature Astronomy by Leiden PhD student Frits Sweijen and colleagues.
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Seeing Stars: Jupiter steals the show in cloudy night skies
After months of preparation, the moment of truth had arrived: would the skies above Leiden clear for the promised glitzy planet-and-star show? The people of Leiden turned out in their hundreds to go star-hunting on 25 September. They became more aware than ever of the effects of light pollution.
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Black holes are sometimes gigantic volcanoes. Martijn Oei earned his PhD on the subject, with honours
Not everything that comes close to a black hole is swallowed by it. Black holes can also hurl material away, and that chance turns out to be considerably bigger than previously thought. Martijn Oei's accidental discovery and his subsequent research on it earned him a cum laude promotion on 12 Decemb…
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Neutrino linked to black hole that devours star
For only the second time ever, astronomers have linked a neutrino to an object outside our Milky Way. These observations were made using telescopes both on Earth and in space. The researchers, including Leiden astronomer Sjoert van Velzen, were able to trace the neutrino to a black hole that is devouring…
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Working with datasets that are larger than the entire university
Radio telescope LOFAR maps the sky. It produces incredibly detailed images of the universe - and vast amounts of data. Huub Röttgering, director of the Leiden Observatory, talks about the challenges of working with those enormous datasets.
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Dust cloud from two colliding ice planets dims light of parent star
For the first time, an international group of astronomers have seen the heat glow of two ice giant planets colliding. They could also observe the resultant dust cloud move in front of the parent star several years later. Led by Leiden astronomer Matthew Kenworthy, they monitored the star's brightness…
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Towards a Muslim Futurist Movement: On the Power of Imagining, Space Building, and Community
Lecture, LUCIS Meets | Masterclass
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Join us at the Open Day on Ocotber 28!
On Sunday 28 October, the annual open day of the Old Observatory in Leiden takes place. During this day everyone can visit the Old Observatory for free and enjoy activities in this historic building.
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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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Ewine van Dishoeck receives the Niels Bohr medal
Leiden professor of molecular astrophysics and astrochemistry Ewine van Dishoeck was presented with the Niels Bohr International Gold Medal on Friday 7 October. The medal, instigated by the Danish Society of Engineers IDA, was awarded by Queen Margrethe of Denmark at a ceremony at the Carlsberg Academy…
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Black hole fed by cold intergalactic deluge
An international team of astronomers has witnessed a cosmic weather event that has never been seen before.
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Join us at the Open Day on Ocotber 28!
On Sunday 28 October, the annual open day of the Old Observatory in Leiden takes place. During this day everyone can visit the Old Observatory for free and enjoy activities in this historic building.
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Nobel Prize in Literature awarded to Annie Ernaux - a reading list
The 2022 Nobel Prize in Literature has been awarded to French writer Annie Ernaux (1940). In an explanation, the Swedish Academy praises Ernaux 'for the courage and clinical acuity with which she uncovers the roots, estrangements and collective restraints of personal memory'.
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Education highlights 2023
From educational adventures in the tropics, students building software for real customers, to bacteria that degrade plastics. Scroll through our highlights on educational innovation and the achievements of our students.
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Science and society Faculty of Science Leiden
We also conduct research to make meaningful contributions to society. For instance, by talking about our research, contributing to community projects or by inviting people to help us with our research. Scroll down and discover how Science and Society can mutually reinforce each other.
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About us
Leiden Observatory is the astronomical institute of the Faculty of Science of Leiden University.
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Astronomy (MSc)
Students in our Astronomy programme are trained by leading experts in cutting-edge astronomical research. We incorporate in our educational programme observations and data from the world’s foremost ground- and space-based telescopes as well as theoretical, computational and astrochemical modelling,…
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Night Spaces: Migration Culture and Integration in Europe (NITE) 3rd International Conference
Conference
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Plant occurrence in space and time: the importance of land use, habitat structure, and pollination mode
PhD defence
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Who is liable when damage is caused by Global Navigation Satellite System?
Who shall be responsible or liable when damage is caused by Global Navigation Satellite System (GNSS)? Is it fair enough to force a GNSS provider to bear the burden of compensation given GNSS open signals are provided free of charge? And are current international laws adequate to deal with those questions?…
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Met senioren sjoelen en wandelen voor onderzoek
Student Marieke van der Heijden wandelt wekelijks met senioren bij het project Leren met de Stad. Zij doet onderzoek naar sociale cohesie in de wijk De Kooi.
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Harold Linnartz opnieuw benoemd voor vier jaar
Prof Harold Linnartz has been reappointed Director of Education of the bachelor and master programmes of Astronomy. The appointment is for a period of four years, until 1 October 2026.
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Exploring the universe
How did our universe come into being? Are there any other planets that support life? Read all about it in our new research dossier ‘Exploring the universe’.
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The Kaiser Spring Lectures are about to start!
The program for the Kaiser Spring Lectures 2018 has been published! Visit the Old Observatory in March for four amazing lectures about the Space Age.
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The Kaiser Spring Lectures are about to start!
The program for the Kaiser Spring Lectures 2018 has been published! Visit the Old Observatory in March for four amazing lectures about the Space Age.
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Book talk 'Aspiring in Later Life: Movements across Time, Space, and Generations'
Lecture, Online webinar
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Jan Hendrik Oort: world-famous yet unassuming astronomer
He discovered how to determine the rotation and centre of our Milky Way, predicted where comets come from and laid the groundwork for radio astronomy: Leiden Professor of Astronomy Jan Hendrik Oort (1900 – 1992). Piet van der Kruit, whose PhD supervisor was Oort himself, has written a biography about…
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Gaia spots stars flying between galaxies
A team of Leiden astronomers used the latest set of data from ESA’s Gaia mission to look for high-velocity stars being kicked out of the Milky Way, but were surprised to find stars instead sprinting inwards – perhaps from another galaxy.
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Tumor-specific targets for imaging in vulvar cancer
PhD defence
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Percutaneous mitral valve plasty in secondary mitral regurgitation
PhD defence
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Twentieth anniversary of the Lorentz Center: developing ideas in a scientific bubble
The 20th anniversary of the Lorentz Center will be celebrated on 28 June 2017 with the opening of an exhibition in the Oude UB. For two decades already, the Center has been a place of retreat for groups of international academics who want to explore a single issue.
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Vacancies: four PhD positions in History
The Institute for History announces vacancies for three PhD positions on Rethinking Disability: the Global Impact of the International Year of Disabled Persons (1981) in Historical Perspective and one PhD position to conduct research on the United Nations Transitional Authority in Cambodia (UNTAC).
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Ewine van Dishoeck shows us new worlds in Dies lecture
Her specialist field is molecular astrophysics, and she is the most quoted scholar in her field. In this, the year of astronomy, she is the ideal person to give the Dies lecture at the university with the world's oldest astronomy institute; it goes without saying that the lecture will be on the newest…
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To explore the drug space smarter: Artificial intelligence in drug design for G protein-coupled receptors
PhD defence
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The input pathways to the circadian clock: from nocturnality to diurnality
PhD defence
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Gaia data maps globular cluster, gravitational lensing and asteroids with great precision
The European Space Agency (ESA) has published an interim data release from Gaia, the space telescope mapping out the Milky Way in 3D. The first scientific papers published today reveal half a million stars in the Omega Centauri globular cluster, nearly 400 candidate gravitational lensers and the positions…
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Flurry of new discoveries as incredible new image revealing 4.4 million galaxies is made public
Over a seven year period an international team of scientists has mapped more than a quarter of the northern sky using the Low Frequency Array (LOFAR), a pan-European radio telescope. From Leiden, Astronomer Timothy Shimwell and Huub Röttgering, among others, are involved. It reveals an astonishingly…
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New detection method for quasars in the early Universe
Astronomers from Leiden Observatory have developed a new method to find distant quasars and better distinguish them from other objects that look like them, using machine learning techniques. The research result has been accepted for publication in the journal Astronomy & Astrophysics. It is the last…
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Ultra-sensitive radio images reveal thousands of star-forming galaxies in early Universe
An international team of astronomers has published the most sensitive images of the Universe ever taken at low radio frequencies, using the International Low Frequency Array (LOFAR). ‘LOFAR is unique in its ability to make high-quality images of the sky at metre-wavelengths’, said Huub Röttgering, Leiden…
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LOFAR pioneers new way to study exoplanet environments
Using the Dutch-led Low Frequency Array (LOFAR) radio telescope, astronomers have discovered unusual radio waves coming from the nearby red dwarf star GJ1151. The radio waves bear the tell-tale signature of aurorae caused by an interaction between a star and its planet. The radio emission from a star-planet…
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Giant cosmic tsunami wakes up comatose galaxies
Galaxies are often found in clusters, which contain many “red and dead” members that stopped forming stars in the distant past. Now, an international team of astronomers, led by Andra Stroe of Leiden Observatory and David Sobral of Leiden and the University of Lisbon, has discovered that these comatose…
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life of homogeneous carbonyl reduction catalysts: navigating condition space towards superior catalytic performance
Lecture
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Milestone for Neutrino Detector alongside French Riviera
The KM3NeT neutrino detector celebrates the installation of the first string of detectors in the Mediterranean Sea off the French coast. It will measure neutrinos’ spooky spontaneous change in flavor. Leiden physicist Dorothea Samtleben is closely involved in the project.
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First measurement of isotopes in atmosphere of exoplanet
An international team of astronomers have become the first in the world to detect isotopes in the atmosphere of an exoplanet. It concerns different forms of carbon in the gaseous giant planet TYC 8998-760-1 b. The research will be published in the scientific journal Nature on Thursday.
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What Spinoza winners Ellemers, Sluiter and Franx will do with €2.5 million
On Monday 27 September 2010 Spinoza prize winners Naomi Ellemers, Ineke Sluiter, Marijn Franx (Leiden) and Piet Gros (Utrecht) announced their plans for their €2.5 million prize money. This was during the official ceremony in The Hague, at which the outgoing Secretary of State for Education, Culture…