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A team of cosmologists from the Institute of Astrophysics of Andalusia (IAA-CSIC) and the Institute of Astrophysics of the Canary Islands (IAC) has obtained the most accurate census to date of the dark matter halos of the Universe. The work is based on the development of a new model, called GPS+, capable of predicting how many dark matter halos exist at each stage of cosmic history. In the universe, there are enormous invisible structures surrounding galaxies and galaxy clusters. These are dark matter halos, concentrations of matter that do not emit light and cannot be directly observed, butAdvertised on -
El Observatorio del Teide vuelve a abrir sus puertas este fin de semana para acoger a cerca de un millar de personas con motivo de sus ya emblemáticas Jornadas de Puertas Abiertas. Organizada por el Instituto de Astrofísica de Canarias (IAC) coincidiendo con la llegada del solsticio de verano, esta cita anual se consolida como uno de los pilares del compromiso del Instituto por compartir el conocimiento y hacer accesibles sus infraestructuras científicas a toda la ciudadanía. La iniciativa, impulsada de forma conjunta por el equipo del Observatorio y la Unidad de Comunicación y CulturaAdvertised on -
An international team of astronomers has captured the most detailed and completed view yet of the mysterious filaments surrounding the giant galaxy M87. Using new observations from the Gran Telescopio Canarias and the Canada-France-Hawaii Telescope, the study reveals how these long, thread-like structures move, evolve, and interact with their galactic environment and the activity of the central supermassive black hole. These findings have just been published in Monthly Notices of the Royal Astronomical Society. M87: a giant galaxy and its mysterious threads M87, located about 55 millionAdvertised on