Die Ritualmordlüge vor Gericht

M. L.

Umschau

A. L.

Vereinsnachrichten

A. L.

Umschau

A. L.

Vereinsnachrichten

A. L.

Dust measurements in the coma of comet 67P/Churyumov-Gerasimenko inbound to the Sun

Critical measurements for understanding accretion and the dust/gas ratio in the solar nebula, where planets were forming 4.5 billion years ago, are being obtained by the GIADA (Grain Impact Analyser and Dust Accumulator) experiment on the European Space Agency's Rosetta spacecraft orbiting comet 67P/Churyumov-Gerasimenko. Between 3.6 and 3.4 astronomical units inbound, GIADA and OSIRIS (Optical, Spectroscopic, and Infrared Remote Imaging System) detected 35 outflowing grains of mass 10(-10) to 10(-7) kilograms, and 48 grains of mass 10(-5) to 10(-2) kilograms, respectively. Combined with gas data from the MIRO (Microwave Instrument for the Rosetta Orbiter) and ROSINA (Rosetta Orbiter Spectrometer for Ion and Neutral Analysis) instruments, we find a dust/gas mass ratio of 4 +/- 2 averaged over the sunlit nucleus surface. A cloud of larger grains also encircles the nucleus in bound orbits from the previous perihelion. The largest orbiting clumps are meter-sized, confirming the dust/gas ratio of 3 inferred at perihelion from models of dust comae and trails.

El 69 platense : Luchas obreras, conflictos estudiantiles y militancia de izquierda en La Plata, Berisso y Ensenada durante la Revolución Argentina

Tabla de contenidos: Conflicto social y protesta en la ciudad de La Plata : El caso del movimiento estudiantil frente a la irrupción de la Revolución Argentina / Pablo Augusto Bonavena. El PRT - La Verdad durante 1968 en La Plata, Berisso y Ensenada : Una visión a través de su prensa / Christian Castillo. El 68 platense : Primeros avances hacia un mapa de la conflictividad obrera y estudiantil / Andrés N. Cappannini, Federico Rotelle, Juan L. Besoky. Conflictividad del movimiento estudiantil y de la clase obrera platense durante el año 69 : Algunos elementos para su estudio / Agustín Nava. Acumulación de capital y conflictividad social en La Plata, Berisso y Ensenada, 1966-1969 / Pablo Romá. Grandes huelgas platenses durante la Revolución Argentina en perspectiva comparada / Marcelo Raimundo. Grandes huelgas platenses durante la Revolución Argentina en perspectiva comparada / Marcelo Raimundo.

Habitat Maps derived from Point Lookout Ecological Surveys (PLEA) of the Shag Rock, Manta Ray Bommie and Flat Rock dive sites at Point Lookout, North Stradbroke Island, Australia, in 2014, in ArcGIS (shapefile) format

In 2014, UniDive (The University of Queensland Underwater Club) conducted an ecological assessment of the Point Lookout Dive sites for comparison with similar surveys conducted in 2001 - the PLEA project. Involvement in the project was voluntary. Members of UniDive who were marine experts conducted training for other club members who had no, or limited, experience in identifying marine organisms and mapping habitats. Since the 2001 detailed baseline study, no similar seasonal survey has been conducted. The 2014 data is particularly important given that numerous changes have taken place in relation to the management of, and potential impacts on, these reef sites. In 2009, Moreton Bay Marine Park was re-zoned, and Flat Rock was converted to a marine national park zone (Green zone) with no fishing or anchoring. In 2012, four permanent moorings were installed at Flat Rock. Additionally, the entire area was exposed to the potential effects of the 2011 and 2013 Queensland floods, including flood plumes which carried large quantities of sediment into Moreton Bay and surrounding waters. The population of South East Queensland has increased from 2.49 million in 2001 to 3.18 million in 2011 (BITRE, 2013). This rapidly expanding coastal population has increased the frequency and intensity of both commercial and recreational activities around Point Lookout dive sites (EPA 2008). Habitats were mapped using a combination of towed GPS photo transects, aerial photography and expert knowledge. This data provides georeferenced information regarding the major features of each of the Point Lookout Dive Sites.