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La noche del 12 al 13 de agosto, el canal sky-live.tv se desplazará hasta Extremadura para retransmitir el máximo de las Perseidas 2023 desde el Centro Internacional de Innovación Deportiva en el Medio Natural “El Anillo”, además de desde los Observatorios de Canarias, como una de las actividades de divulgación del proyecto Energy Efficiency Laboratories (EELabs).Advertised on
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Rosa Dávila and Juan José Martínez yesterday toured the facilities of the headquarters of the Instituto de Astrofísica de Canarias and the IACTEC, in La Laguna, where they learned first-hand about the technological, research and dissemination projects in which the Cabildo and IAC collaborate.Advertised on
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CaII Kgrains, i.e., intermittent, short-lived (about 1 minute), periodic (2-4 minutes), pointlike chromospheric brightenings, are considered to be the manifestations of acoustic waves propagating upward from the solar surface and developing into shocks in the chromosphere. After the simulations of Carlsson and Stein, we know that hot shocked gas moving upward interacting with the downflowing chromospheric gas (falling down after having been displaced upward by a previous shock) nicely reproduces the spectral features of the CaII K profiles observed in such grains, i.e., a narrowband emissionAdvertised on