144 search results for “very large telescope” in the Student website
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Désirée Leeuw-Le Large
Bestuursbureau
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Niek Doelman
Science
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Design METIS instrument for the Extremely Large Telescope finalised
The design for the METIS instrument for the Extremely Large Telescope (ELT) is final. The European Southern Observatory (ESO) has given the green light for production of all parts of the instrument. It is the first ELT instrument, designed and to be built under Dutch leadership, to formally pass the…
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What tiny isotopes reveal about planets outside our solar system
Planets existing in other solar systems contain invaluable information about the origin of planets and life. PhD candidate Yapeng Zhang has studied their atmospheres by looking at their smallest parts: isotopes. With her research she hopes to discover what makes our own solar system unique.
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Is there oxygen on exoplanets? New telescope finds out
To what extent does exoplanet Proxima b resemble our Earth? And is there some form of life present? Astronomers hope to find answers to these questions with the new European Extremely Large Telescope (ELT). An NWO research grant of €18 million will allow a Dutch consortium to continue building instruments…
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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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Ewine van Dishoeck
Science
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Mesmerising images from James Webb space telescope
The 'deepest and sharpest' image of the Universe to date: the first photos from the new James Webb space telescope yesterday mesmerised astronomers and the public alike. Leiden Professor of Molecular Astrophysics, Ewine van Dishoeck, spoke to various media outlets about the first images, which include…
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BlackGEM telescopes begin hunt for gravitational-wave sources
Three Dutch-Belgian telescopes have started operating at the ESO La Silla Observatory in Chile. This so-called BlackGEM array will scan the southern sky to hunt for cosmic events that produce gravitational waves, such as mergers of neutron stars and black holes. Leiden astronomer Rudolf le Poole is…
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Bernhard Brandl
Science
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Chasing gravitational waves: damping vibrations in underground Einstein Telescope
Leiden scientists and companies receive 1.37 million euros to develop technology for the Einstein Telescope. This underground telescope will measure gravitational waves and must therefore be extremely sensitive. To that end, the consortium conducts research on the damping of vibrations at temperatures…
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First scientific images Euclid telescope exceed all expectations
Space telescope Euclid is capable of unravelling the secrets of the universe. That is what the images published by ESA today show, according to astronomers working with the telescope's data. The images exceed all expectations. Scientists within the Euclid consortium, including astronomers Henk Hoekstra…
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The James Webb Telescope takes stunning photos. But what exactly are we looking at?
For over a year now, the James Webb Telescope has been sending stunning images that exceed astronomers’ expectations. The photos are fascinating to see, but what exactly are we looking at? Assistant professor Melissa McClure explains.
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Space telescope Euclid makes first test images - astronomers are full of anticipation
The two instruments of ESA's space telescope Euclid have taken their first test images. The first images indicate that the space telescope will achieve the scientific goals for which it was designed - and possibly much more. Euclid will create a 3D map of a third of the sky, allowing scientists to study…
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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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James Webb Space Telescope sees sand clouds on 'cotton candy planet' WASP-107b
A team of European astronomers has found a silicate-based weather system on a cloudy gas planet around the star WASP-107. It is the first time astronomers have found silicate clouds and rain. They also conclude that temperatures deeper in the atmosphere are rising rapidly. 'The presence of clouds has…
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Yumeng Wang
Science
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Maarten Schrama
Science
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Huub Rottgering
Science
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First images from the James Webb telescope
Lecture
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Scientists discover the largest stellar black hole in the Milky Way
A European team of astronomers has discovered the largest stellar black hole in the Milky Way. It is more than thirty times as massive as our sun and is located in the constellation of Aquila, about two thousand light-years from Earth. The astronomers stumbled upon the black hole by chance while preparing…
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Gabriella Di Gennaro
Science
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Hunting for life’s building blocks at minus 250 degrees Celsius
James Webb life’s building blocks
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Ewine van Dishoeck goes stargazing
From the birth of the universe to the molecules in a planet's atmosphere. The first five pictures from the James Webb Space Telescope (JWST) show the enormous range in which the space telescope can operate. Ewine van Dishoeck, professor of molecular astrophysics, took a look at the first images Tuesday…
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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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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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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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First detailed picture of ice in planet-forming disk
An international team of astronomers led by Ardjan Sturm of the Observatory has made the first two-dimensional inventory of ice in a planet-forming disk of dust and gas surrounding a young star. The researches, including Melissa McClure, used the James Webb Space Telescope and publish their findings…
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Finding the origin of giant black holes
‘Space Antenna LISA will open an unprecedented window on the Universe,’ says astronomer Elena Maria Rossi. The mission will be the first one to detect Gravitational Waves from space. These can tell us more about the beginning of our Universe and the formation of black holes. With an NWO grant of twelve…
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Galaxies have bipolar gas outflows far into intergalactic space
For the first time, astronomers have observed in three dimensions that gas from spiral galaxies is blown upwards and downwards at high speed, far out of the galaxy. They thereby confirm the theory of galaxy evolution: that star-forming galaxies create intergalactic gas flows by discharging gas along…
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Webb detects icy ingredients for making potential habitable worlds
An international team of astronomers, led by Will Rocha of Leiden Observatory, using the NASA/ESA/CSA James Webb Space Telescope have discovered that the key ingredients for making potentially habitable worlds are present in early-stage protostars, where planets have not yet formed.
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Astronomers spot benzene in planet-forming disk around star for first time
An international team of astronomers including Leiden professor Ewine van Dishoeck has observed the benzene molecule (C6H6) in a planet-forming disk around a young star for the first time. The observations tell us more about the forming of planets in this disc, like our own Earth. The scientists publish…
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Anthony Brown
Science
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Jasper's day
Jasper Knoester is the dean of the Faculty of Science. How is he doing? What kinds of things is he doing and what does his day look like? In each newsletter Jasper gives a peek into his life as dean.
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Internship and research
Many study programmes offer the opportunity to do an internship or research project, either as a compulsory part of the curriculum or to earn elective credits.
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New professor Suzan Verberne aims to bring large language models and search engines closer together
Suzan Verberne has been appointed professor of Natural Language Processing at the Leiden Institute of Advanced Computer Science (LIACS) from 1 October. Verberne has been at LIACS since 2017 as group leader of the Text Mining and Retrieval group.
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Large grant for research into Islamic non-conformism
In the coming years, Asghar Seyed Gohrab receives an advanced European Research Council grant of two and a half million euros to spend on his research into non-conformism in Islam. ‘Hopefully I can use this to contribute something to society, to pass something on to future generations.’
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Angkor region was actually a large Medieval city
The Greater Angkor Region in contemporary Cambodia was dramatically more urbanized in the 13th century than previously thought, and home to 700.000 to 900.000 people. These discoveries were made by a research team led by Sarah Klassen. Their findings are published in Science Advances.
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Zooming in on Black Holes with a telescope the size of planet Earth
Lecture, Kaiser Spring Lecture
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‘Meeting new people is still very valuable’
Particularly during this time of social distancing and remote learning, it is important to carry on meeting new people – even if you don’t always feel like it after another day staring at your screen, says Wessel van Dam. In his role as assessor at the Honours Academy, Wessel represents the interests…
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Leiden PhD student discovers thin atmosphere on exoplanet TRAPPIST-1 c with JWST
A group of astronomers led by Leiden PhD student Sebastian Zieba has discovered using the James Webb Space Telescope (JWST) that the rocky exoplanet TRAPPIST-1 c has a thin atmosphere. Although the planet is nearly identical to Venus in size and temperature, and was expected to have a thick atmosphere,…
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'This is the very best course there is'
Martina Vijver has been nominated as Teacher of the Year of the Faculty of Science. She gets this nomination for the course Ecotoxicology she taught in 2022. The 52 students who took the course were hugely enthusiastic, as can be read in their positive reviews. What is so great about this course then?…
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Large plane tree moved to make room for Gorlaeus Building phase two
Leiden University is currently working on the new Gorlaeus Building, a sustainable modern building for the Faculty of Science. To make room for the phase 2A construction work, a plane tree of over 20 metres in height was moved on 17 December. The tree has been conserved. Its new home will be on the…
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The Gaia telescope: mapping 1 billion stars with 1 billion pixels
Lecture, Kaiser Lente Lezing
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Nancy Kula: ‘Languages are very diverse’
Nancy Kula has been Professor of African Linguistics since 1 February. Now is a good time to hear more about her field of expertise and academic interests.
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Dozens of massive stars launched from young star cluster R136
Astronomers have used data from the European Gaia Space Telescope to discover 55 high-speed stars launched from the young star cluster R136 in the Large Magellanic Cloud, a satellite galaxy of the Milky Way. This increases tenfold the number of known “runaway stars” in this region. The team of astronomers,…
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The coding sociologist John Boy developed Textnets: software to make large amounts of text visually comprehensible
Software development is probably not the first thing that comes to mind when you think of a sociologist. Three years ago, John Boy began developing his software package Textnets. Because of Corona, he was less able to concentrate on writing scientific research and also setting up the online courses…
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Laurie Cosmo: ‘Dutch museums are very innovative’
The plan was to research the years surrounding the creation of the signature H.P. Berlage building of the Kunstmuseum Den Haag, but due to the lockdown, University Lecturer Laurie Kalb Cosmo has hardly been able to visit museums. Yet she succeeds in continuing her research for the Museums, Collections…
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Students remain ‘very satisfied’ with their degree programme in 2022
Almost 3,000 students from the Faculty of Humanities completed the National Student Survey (NSE) in the spring of 2022. With a response rate of 38%, the Faculty scored slightly above the national average.