English (UK)
1 de octubre de 2025
Empieza la segunda fase de la campaña “No hay Almería sin cielo” para recordar, desde Calar Alto y el IAA-CSIC, la importancia de conservar un cielo oscuro, incluso en navidades. Cuando los pueblos y las ciudades se iluminan con millones de luces decorativas – un número tan excesivo como el consumo en estas fechas –, aumenta la contaminación lumínica. No olvidemos que el cielo estrellado también es parte de la magia navideña: ¡esta Navidad, ni una estrella menos!
Las luces de las ciudades, tanto el alumbrado público como el privado, se esparcen en la atmósfera, generando un halo luminoso que se extiende a kilómetros de distancia, donde se reduce la oscuridad natural de la noche. Este fenómeno de contaminación lumínica afecta a la salud de los habitantes así como a la fauna y la flora (peri)urbanas, ya de por sí mermadas. En los grandes centros urbanos, ahogadas en un día artificial, las estrellas perceptibles a simple vista se reducen de las 3000 visibles en un cielo no contaminado a unas pocas decenas.
Almería, 19 September 2025
The International University of La Rioja (UNIR) and Calar Alto Observatory have signed a collaboration agreement that will allow students of the UNIR Master's Degree in Astrophysics to observe remotely with the 1.23-meter telescope so as to complement their training.
Almería, 1 August 2025
As part of the COCCON-España network of the Spanish State Weather Agency (AEMET), Calar Alto has participated in an intensive campaign to measure greenhouse gases. Along with a daytime atmospheric spectrometer at the observatory and another one installed at the University of Almería, the CARMENES instrument on the 3.5 m telescope has been used to quantify those gases during the night and feed the Astroclimes algorithm. This is a grounbreaking study of the global warming and its implications for climate change, in collaboration with AEMET and the universities of Almería (Spain) and Warwick (UK).
Almería, 16 June 2025
In the framework of the CAVITY project, an international team of researchers have studied in detail a remarkable couple of dwarf galaxies “dancing with each other” inside an unpopulated area of the Universe. This uncommon pair of low-mass galaxies merging “in the middle of nowhere”, near the center of a cosmic void, offers a unique view of one-on-one interactions and of the evolution of galaxies located in very low density environments.
- The Institute of Astrophysics of Andalusia hosts a nat’l meeting to promote collaboration between large Spanish observatories, incl. Calar Alto
- "Telling light pollution from coast to coast": a nat’l outreach event for the World Environment Day
- A new camera from Sevilla in Calar Alto to study Venus’ clouds
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