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Found 3 essays matching the above criteria.
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1. Investigation of the mean photon energy in Kompaneets spectra
University essay from KTH/FysikAbstract : The Kompaneets equation describes the spectrum formation when hot fermions are injected into an opaque fermion-photon plasma in thermal equilibrium and inverse Compton-scatterings occur. The equation has three free parameters, the initial plasma thermal energy θ_u, the final plasmathermal energy θ_r and the average photon energy gain y_r. READ MORE
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2. Investigating the central engine in supernova 2002ap using X-ray observations
University essay from KTH/Skolan för teknikvetenskap (SCI)Abstract : Supernovae (SNe) are explosions following the death of massive stars. Core-collapse supernovae (CCSNe) occur when the heavy iron core of these stars collapse in on themselves. The resulting remnant of the core of a CCSN is a compact object: either a black hole or a neutron star. READ MORE
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3. Beyond Being Physically Active: Culturing the Ageing Body
University essay from Lunds universitet/Avdelningen för etnologiAbstract : The aim of this thesis is to investigate how physical activity and social interaction assist in generating better performance of the ageing body. A multifaceted ethnographic material was collected from January to February 2018 at a health and training centre called Gerdahallen, located in Lund, Sweden. READ MORE