The Journalists and Journalism of Poland

Aug 3, 20150 likes336 views

A. Stepińska, Sz. Ossowski, L. Pokrzycka, J. Nowak, (2102), The Journalists and Journalism of Poland (in:) The Global Journalist in the 21stCentury, edited by D. H. Weaver, L. Willnat, New York and London: Routledge, pp. 255–266.

The document discusses a study analyzing Polish print media coverage of Poland's first presidency of the European Union Council in 2011. It examines how four daily newspapers (Gazeta Wyborcza, Rzeczpospolita, Nasz Dziennik, and Fakt) and three weekly magazines (Polityka, Wprost, and Uważam Rze. Inaczej pisane) portrayed and evaluated the presidency. The study found that while the newspapers' political biases could have led to differing evaluations, most coverage was neutral. Gazeta Wyborcza and Fakt had the highest levels of neutral assessments at 67% and 57%, while Rzeczpospolita and Nasz D

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Dynamically studying trans-Neptunian object (TNO) binaries allows us to measure masses and orbits. Most of the known objects appear to have only two components, except (47171) Lempo, which is the single known hierarchical triple system with three similar-mass components. Though hundreds of TNOs have been imaged with high-resolution telescopes, no other hierarchical triples (or trinaries) have been found among solar system small bodies, even though they are predicted in planetesimal formation models such as gravitational collapse after the streaming instability. By going beyond the point-mass assumption and modeling TNO orbits as non-Keplerian, we open a new window into the shapes and spins of the components, including the possible presence of unresolved “inner” binaries. Here we present evidence for a new hierarchical triple, (148780) Altjira (2001 UQ18), based on non-Keplerian dynamical modeling of the two observed components. We incorporate two recent Hubble Space Telescope observations, leading to a 17 yr observational baseline. We present a new open-source Bayesian pointspread function fitting code called nPSF that provides precise relative astrometry and uncertainties for single images. Our non-Keplerian analysis measures a statistically significant (∼2.5σ) nonspherical shape for Altjira. The measured J2 is best explained as an unresolved inner binary, and an example hierarchical triple model gives the best fit to the observed astrometry. Using an updated non-Keplerian ephemeris (which is significantly different from the Keplerian predictions), we show that the predicted mutual event season for Altjira has already begun, with several excellent opportunities for observations through ∼2030.

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This extensive slide deck provides a detailed exploration of energy, work, and power for IGCSE Physics. It covers fundamental concepts such as the definition of work done, kinetic energy, potential energy, mechanical energy, conservation of energy, efficiency, and power. The presentation also includes energy transfer, renewable and non-renewable energy sources, calculation of work done, power output, and real-life applications of energy principles. Featuring illustrative diagrams, worked examples, and exam-style questions, this resource is ideal for IGCSE students, teachers, and independent learners preparing for exams.

Cell Structure & Function | Cambridge IGCSE BiologyBlessing Ndazie

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This IGCSE Biology presentation provides a detailed look at cell structure and function, covering the differences between animal and plant cells, the roles of organelles (nucleus, mitochondria, ribosomes, etc.), specialized cells, and levels of organization. Learn about diffusion, osmosis, and active transport in cells, with clear diagrams and explanations to support exam preparation. A must-have resource for Cambridge IGCSE students!

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Beyond Point Masses. IV. Trans-Neptunian Object Altjira Is Likely a Hierarchi...Sérgio Sacani

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Energ and Energy Forms, Work, and Power | IGCSE PhysicsBlessing Ndazie

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Cell Structure & Function | Cambridge IGCSE BiologyBlessing Ndazie

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(Journal Club) Folding DNA to create nanoscale shapes and patternsDavid Podorefsky, PhD

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