788 search results for “james well since telescope” in the Public website
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Exploring strange new worlds with high-dispersion spectroscopy
Until the 1990s, the only known planets were those in our Solar System. Three decades later, several thousand exoplanets have been discovered orbiting stars other than the Sun, and substantial efforts have been made to explore these strange new worlds through spectroscopic analyses of their atmosphe…
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Crucial Dutch contribution to European X-ray telescope
The Netherlands Organisation for Scientific Research NWO allocates nearly € 19.5 million to a Dutch cluster that contributes to the development of an X-ray camera and spectrograph for the new European space telescope Athena. Leiden Observatory is one of the members of the cluster.
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Huib van Langevelde new director Event Horizon Telescope
The Leiden astronomer Huib van Langevelde) has been selected as the new director of the Event Horizon Telescope (EHT). The EHT is a collaboration involving about 350 scientists from 18 countries. It combines the ALMA array in Chile with sub-millimeter telescopes around the world and published the first…
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A 120 year-old Telescope Gets a Makeover
For the first time more than half century, one of oldest telescopes at Leiden Observatory is getting a major improvement.
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Niek Doelman
Science
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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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It takes two (or more) to build a telescope
How do stars and galaxies form? What is dark matter? To answer these and other questions, we need increasingly large telescopes. And to build these, we need international partnerships. A series on the impact of collaboration.
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Neutrino telescope KM3NeT receives 12.7 Million Euro NWO grant
KM3NeT is selected as one of the ten top research facilities in NWO’s National Roadmap for Large-scale Research Infrastructure. Leiden physicist Dorothea Samtleben is the deputy program leader of Nikhef’s KM3NeT group.
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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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Old Observatory Leiden
The Old Observatory of Leiden is the oldest surviving university observatory in the world. While students of Leiden University receive lectures in the main part of the building, the visitor center in the basement and the telescopes on the building serve the general public. Here you will find information…
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Mariska Kriek is back – but this time as a professor
She left Leiden after her PhD and now, 14 years later, she returns as Professor of Extragalactic Astronomy. Mariska Kriek investigates how galaxies originate and evolve. And she is eagerly awaiting the launch for the new James Webb telescope: ‘The coolest things we are going to find are those we’re…
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Rychard Bouwens granted precious research time on ALMA telescope
Rychard Bouwens from the Leiden Observatory is the first scientist in the Netherlands to be assigned a Large Programme on the state-of-the-art ALMA telescope in Chile. With his team, he wants to use the unique capabilities of the billion-euro facility to investigate the build-up of massive galaxies…
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Leiden planetary experts want to study seven ‘Earths’ in more detail
Astronomers have discovered seven Earth-like planets around a dwarf star in our galaxy. Three of these planets are located in the habitable zone of this star, and may contain liquid water. ‘The next step is to study the atmospheres for signs of life. In Leiden we are experts in that area,‘ says planetary…
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IIMIGRATI: Ireland and Italy’s migration experiences since 1945 compared
How has migration affected Irish and Italy society since 1945?
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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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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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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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Stunning James Webb images show birth and death of massive stars
The James Webb Space Telescope continues to surprise us with stunning pictures, but of what exactly? Astronomer Nienke van der Marel shows with three images how massive stars lead short but explosive lives.
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Bramesada Prasastyoga
Faculteit der Sociale Wetenschappen
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Ewine van Dishoeck receives ERC Advanced Grant for research into the chemistry of new worlds
Leiden Professor of Molecular astrophysics Ewine van Dishoeck has been awarded an Advanced Grant by the European Research Council (ERC). She has been awarded 2.3 million euros in research funding for the MOLDISK programme. Within this programme, Van Dishoeck wants to connect chemistry and physics in…
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Looking for atmospheres in the ultimate quest for extraterrestrial life
To look for atmospheres around planets outside our solar system is to look for extraterrestrial life. Astronomist Sebastian Zieba used data from the James Webb Space Telescope to study small rocky exoplanets but found no aliens yet. However, his findings are still very interesting for future observations.…
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Narrative Science: Reasoning, Representing and Knowing since 1800
Narrative Science examines the use of narrative in scientific research over the last two centuries.
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Don't Blink: Detecting transiting exoplanets with MASCARA
This thesis describes the Multi-site All-Sky CAmeRA (MASCARA), which consists of two small robotic telescope designed to detect exoplanets around the brightest stars in the sky.
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Young suns and infant planets: Probing the origins of solar systems
Even though more than 4000 extra-solar planets are known today, only a small fraction of these has been captured in an image. To better understand the planet formation mechanisms in solar-like environments we started the Young Suns Exoplanet Survey (YSES).
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This is how ESA telescope Euclid is going to visualise dark matter
How can you see something that’s invisible? Well, with Euclid! This future ESA telescope will map the structure of the Universe and teach us more about invisible dark matter and dark energy. Scientific coordinator of Euclid and Leiden astronomer Henk Hoekstra explains how this works.
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Leiden astronomers find building blocks for life in the darkest spots of star-forming cloud
An international team led by Leiden astronomers has discovered diverse ices in the darkest, coldest regions of a molecular cloud. To do so, they used the James Webb Space Telescope. This discovery allows astronomers to examine the simple icy molecules that will be incorporated into future exoplanets,…
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How do you recognise the atmosphere of extraterrestrial lava worlds?
In the past 30 years, over 5,000 planets have been discovered outside our solar system. One common exoplanet is the lava world, a hot super-Earth with oceans of liquid lava. Mantas Zilinskas developed models to simulate possible atmospheres of these. Those simulations provide guidance for astronomers…
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Oort Lecturer 2018: James Kasting about the search for life on planets around other stars
If there is life outside our galaxy, how could we find it? In his Oort Lecture, James Kasting talks about his search for simple life on other planets. Kasting was in the Netherlands for two weeks, because he was invited as the Oort Professor 2018.
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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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What's inside a giant planet? Yamila Miguel will find out with an ERC Consolidator Grant
Discovering what is inside giant planets and their atmosphere, that is one of the goals of astronomer Yamila Miguel. With an ERC Consolidator Grant of 2 million euro, she will study giant planets both inside and outside our solar system. ‘We want to know more about how planetary systems are born, how…
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First direct detection of a brown dwarf with a radio telescope
Astronomers at ASTRON and Leiden University have used the LOFAR radio telescope to discover a 'brown dwarf' – a faint object more massive than Jupiter, but significantly less massive than the Sun. The discovery of the object dubbed Elegast, opens up a new path that uses radio telescopes to discover…
- Program in English
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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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No exams or lectures, but building a radio telescope with empty paint cans
No more lectures and exams for the Radio Astronomy course taught by Michiel Brentjens. The corona crisis is a moment of reflection that has changed his whole way of teaching. Instead of being in front of the class, he lets his students build a radio telescope with paint cans.
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Josette Daemen
Faculteit der Sociale Wetenschappen
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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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The scent of the universe
Former PhD student Cameron Mackie will been awarded not one, but two dissertation prizes for his thesis on the aromatic universe. His work could provide us with a virtual sniff of space. ‘These molecules in space likely smell like a big charcoal grill!’
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Astronomy in corona times: 'All the big telescopes were at a standstill.'
Astronomer Ignas Snellen studies exoplanets using telescope observations. But how is that possible when all the big telescopes are more or less at a standstill? Luckily, he has contact from home with a robot telescope in Mexico and his WIFI is finally working well.
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Labour Question: Ideological Antagonism, Workers’ Movements and the ILO since 1919
This book connects labour history, global history and the institutional or political history of international organisations.
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Persistent Revolution: History, Nationalism, and Politics in Mexico since 1968
A Persistent Revolution: History, Nationalism, and Politics in Mexico since 1968
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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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The hunt for frozen organic molecules in space
Complex Organic Molecules (COMs) have been detected in objects across different stages of stellar evolution.
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Uncovering galaxy evolution and the nature of dark matter
Dark matter represents around eighty per cent of the total mass in the Universe. Yet, we still don't really know what it's made of. Astronomer Pavel Mancera Piña is looking for answers. With a Veni grant from NWO and the most advanced telescopes, such as the James Webb Space Telescope, he will investigate…
- Kickstart your curiosity and learn about science at one of the many stands
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Twemlow on trash, deep time and the Scottish Enlightenment geologist, James Hutton
Alice Twemlow has recently been interviewed for Design Exhibition Scotland.
- Lancering James Webb Telescoop Event
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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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Lava worlds: characterising atmospheres of impossible nature
Over the last three decades, the discovery of exoplanets has revealed the boundless variety of worlds beyond our own Solar System. Majority of planetary systems contain short-period planets that are larger than Earth but smaller than Neptune.
- Leiden Observatory