954 search results for “galaxy evolution” in the Public website
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Tales of Orion: the interplay of gas, dust, and stars in the interstellar medium
Promotores: Prof.dr. A.G.G.M. Tielens & Prof.dr. L. Kaper (UvA)
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Combination, variation and reproductive cues in vocalisations of the common marmoset (Callithrix jacchus)
How do common marmosets combine their calls into sequences and how are their vocalisations influenced by reproductive state?
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Bird behaviour and environmental health in the context of anthropogenic threats to wildlife and nature in China
We study the link between the acoustic, behavioral and physiological health of birds and prominent pollution factors. We aim to explore causation through experimental studies on detrimental factors like traffic noise, particulate matter and chemical toxins. Our primary target is scientific progress…
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Nature's Nether Regions
What the Sex Lives of Bugs, Birds, and Beasts Tell Us About Evolution, Biodiversity, and Ourselves, Menno Schilthuizen reports from the front lines of evolutionary biology, on a quest to make sense of the origins, workings and evolution of our and other species’ reproductive selves.
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Sociaal gedrag als onderdeel van coping styles in zebravis
Zijn sociale aspecten van anxiety-like gedrag bij zeer jonge zebravissen al aanwezig? Zijn deze afhankelijk van de coping style (persoonlijkheid) van het individu? Zijn deze gedragingen endocrien te moduleren, bv door oxytocine?
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Far from home: the science exploitation of the fastest Milky Way stars
The Sun and all the stars in the night sky reside in the Milky Way galaxy. In the at-rest reference frame of the Galaxy, typical stars travel with velocities of about 100-200 kilometres per second.
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Mysteries in snake venom evolution
A new analysis of the king cobra genome by Michael Richardson, Christian Henkel (IBL) and collaborators at the IBL and Naturalis, Helsinki and Singapore has been published in
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Clock disruption in diurnal versus nocturnal migrating fish
Does Artifical Light at Night (ALAN) disrupt seasonal physiological and behavioral patterns in migrating freshwater fish?
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Essentiality of conserved amino acid residues in β-lactamase
Evolution acts via mutations in amino acid sequences. Substitution of essential amino acids leads to a nonfunctional protein. l.
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The Early Upper Palaeolithic of the Middle Danube Region
The Early Upper Palaeolithic (EUP) record throughout Europe is characterized by major changes in human behaviour.
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From intracluster medium dynamics to particle acceleration
The intracluster medium (ICM) is a hot, tenuous and X-ray emitting gas that pervades galaxy clusters.
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Call for Papers – Islam and Evolution
The Leiden University Shii Studies Initiative (LUSSI) is hosting a two-day online conference on Islam and Evolution.
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The comparative biology of language learning
A theoretical project on the insights gained by human (including infant), nonhuman animal and computational studies on artificial grammar learning; identifying the critical questions for future research by developing novel experimental and computational approaches to address these issues.
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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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Tessa Verhoef
Science
t.verhoef@liacs.leidenuniv.nl | +31 71 527 7903
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Clues from stellar catastrophes
Promotores: S.F. Portegies Zwart, E. M. Rossi
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Veni for climate change and human evolution
Leiden archaeologist José Joordens has been awarded a Veni grant to develop her research on the role of climate change in early hominin evolution.
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The dust and molecular gas in the torus of NGC 1068
An Active Galactic Nucleus (AGN) is a highly luminous region at the center of a galaxy, powered by the accretion into a supermassive black hole and emitting energy from radio waves to gamma rays, often outshining the host galaxy.
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Segments and rules: a comparative study on linguistic rule learning mechanisms
A central and much debated topic in the study of language acquisition concerns the nature of the learning mechanisms that are required. Are the computational and learning mechanisms that guide learning about language structure special and specific to language or humans?
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SATURN: Developing Solutions for Underwater Radiated Noise – Sound impact on migratory fishes
Do natural soundscapes affect migratory decisions of fishes moving up and down rivers and is this process disturbed by vessel sounds?
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Perception of multidimensional speech sounds in humans and songbirds
Do humans and zebra finches share cognitive mechanisms that are important for speech perception?
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A piece of the Universe in the computer
Simulations of galaxies help researchers understand astronomical observations better. The EAGLE simulation, a large project in which Leiden astronomers play a leading role, shows the evolution of the Universe, from just after the Big Bang to the present day.
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Anagnostis Theodoropoulos
Science
a.theodoropoulos@biology.leidenuniv.nl | +31 71 527 4882
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Barbara Gravendeel
Science
b.gravendeel@umail.leidenuniv.nl | +31 71 527 2727
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Ben Wielstra
Science
b.m.wielstra@biology.leidenuniv.nl | +31 71 527 5135
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Katerina Johnson
Faculteit der Sociale Wetenschappen
k.v.a.johnson@fsw.leidenuniv.nl | +31 71 527 2727
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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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Phylogenetic ecology of octocoral - gastropod associations
Promotor: E. Gittenberger, Co-promotores: L.P. van Ofwegen; B.W. Hoeksema
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Light Weighed: On the Statistics and Systematics of Weak Gravitational Lensing
In astronomy, the interpration of observations and measurements plays a crucial role: we rely purely and fundamentally on the information that reaches us as observers. And 80% of all matter in the universe is undetectable directly.
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Hunting dark matter with X-rays
Promotor: A. Achúcarro Co-promotor: A. Boyarsky
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Clusters of galaxies better in view with radio X-ray combination
Through the clever use of two types of telescopes, a team of researchers has produced stunning images of clusters of galaxies. This not only produces beautiful images, but also provides more information about the enormous amounts of energy released around supermassive black holes in clusters. The astronomers,…
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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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About us
Leiden Observatory is the astronomical institute of the Faculty of Science of Leiden University.
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APELAFICO: Acoustic ecology of PELAgic FIsh COmmunities: A study into the effects of construction and operation of wind farms
Do offshore windfarms affect the local biodiversity of the pelagic fish community and are fish deterred or attracted by sounds?
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Hunting for the fastest stars in the Milky Way
The high velocity tail of the total velocity distribution of stars provides essential insight into fundamental properties of the Galaxy.
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Surveying young stars with Gaia: Orion and the Solar neighbourhood
OB associations are loose groups of young, massive stars. They constitute the last stage of the massive starformation process, and the context in which new stars are formed.
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The gravitational billion body problem
Promotor: Prof.dr. S. Portegies Zwart
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Aggravating matters: accounting for baryons in cosmological analyses
Three major cosmology-focused missions are planned for the next decade: the Euclid space telescope, the Vera C. Rubin Observatory in Chile, and the Nancy Grace Roman Space Telescope.
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Marcellus Ubbink receives grant for research into evolution of enzymes
The Dutch organisation for scientific research NWO has announced that it will award an ENW-Klein grant to Marcellus Ubbink (LIC) for his research into the role of temperature in the evolution of enzymes. Sixteen grants have been awarded in total.
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The role of water in hydrogen electrocatalysis
Promotor: M.T.M. Koper, Co-promotor: L. Juurlink
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First photo of black hole at the heart of our Galaxy
Finally we know for sure that there is a black hole at the centre of our own galaxy. Today, astronomers unveiled the first ever photo of Sagittarius A*, a super-massive object at the centre of the Milky Way. This picture could only be taken thanks to the cooperation of telescopes worldwide.
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Education
Leiden Observatory provides full education programmes in Astronomy both at the bachelor’s and master’s level. We integrate world-class scientific research and excellent education. Read all about our study programmes!
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Neurogenomics of vocal learning
How does FoxP1 affect auditory perception on a behavioural and genomic level?
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De eerste mensen in de Lage Landen
Nederland ligt in de periferie van het verhaal van menswording. De evolutie van onze familie vindt lang exclusief in Afrika plaats. En, als Europa eenmaal bewoond wordt door mensachtigen, ligt het zwaartepunt ten zuiden van onze streken. Toch heeft ons land een aantal interessante vindplaatsen en vondsten…
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Chaotic dynamics in N-body systems
Promotor: Prof.dr. S.F. Portegies Zwart, Co-promotor: D.C. Heggie
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Evolutionary Developmental Biology of Bitterling Fish
We developed the bitterling as a unique, well-studied model organism in the area of the evolutionary ecology of brood parasitism. The bitterling-mussel relationship, interspecific mussel host preference, and mussel gill structure are studied in detail, to help understand the developmental adaptation…
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Laminar Technology and the Onset of the Upper Paleolithic in the Altai, Siberia
The Altai region has yielded a cluster of Middle and Upper Paleolithic stratified sites that have been recently excavated using a multidisciplinary approach.
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Resolving rapid radiations
What are the phylogenetic relationships among the members of speciation bursts?
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Giant galactic outflows and shocks in the Cosmic Web
The radio sky harbours both galactic and extragalactic sources of arcminute- to degree-scale emission of various physical origins. To discover extragalactic diffuse emission in the Cosmic Web beyond galaxy clusters, one must image low–surface brightness structures amidst a sea of brighter compact fore-…
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Cryptic species discovery
Do understudied animals contain hidden species?