Between 27th August and 7th September the Shelios 2023 expedition tool a group of researchers and students at the south of Iceland and Greenland, where they set up two experiments to measure the natural darkness of the arctic night, and from where they broadcast the aurora borealis. Among the apparatus they installed is the autonomous MiNiO ( Meteo Nano Observatory) controller, developed by the Technological Institute for Renewable Energies (ITER), for the Interreg EELabs project, coordinated by the Instituto de Astrofísica de Canarias (IAC). As well as making people aware of the problems of

A team of scientists led by the Observatory of Munich University and the Instituto de Astrofísica de Canarias have obtained direct visualization of the process of feeding the supermassive black hole at the centre of the Andromeda galaxy. The study reveals the existence of long filamentary structures of gas and dust which move in a spiral starting at a distance from the black hole and ending up at the black hole itself. The results, which have been published in the Astrophysical Journal, were obtained using images from the Hubble and Spitzer space telescopes. The Andromeda Galaxy, which is