Annonce
L'ESO devient partenaire du Centre de L'UAI pour la protection des ciel nocturnes sombres et silencieux
10 décembre 2025
Hier, l'ESO a signé un accord avec le Centre pour la protection du ciel nocturne sombre et tranquille (CPS) de l'Union astronomique internationale (UAI) afin de devenir un partenaire contributeur. L'accord a été signé par le directeur général de l'ESO, Xavier Barcons, et le directeur du CPS de l'UAI, Piero Benvenuti, lors d'un événement de haut niveau sur la protection des sites astronomiques à Vienne.
« Cette signature souligne l'engagement indéfectible de l'ESO en faveur de la protection du ciel au-dessus des sites d'observatoires astronomiques. Nous sommes fiers de nous joindre à nos partenaires de l'UIC de l'UAI dans la lutte contre la pollution lumineuse et les interférences satellitaires », a déclaré Xavier Barcons.
Les sites isolés offrant un ciel nocturne immaculé, idéaux pour la plupart des observations astronomiques, sont de plus en plus menacés par la pollution lumineuse due à l'expansion urbaine des villes et des complexes industriels à proximité des observatoires. Un exemple frappant est la menace que représente l'INNA, un projet industriel qui devrait être implanté à quelques kilomètres seulement des télescopes de l'observatoire Paranal de l'ESO. En outre, une nouvelle menace est apparue ces dernières années : le grand nombre de satellites mis en orbite basse, qui perturbent les observations astronomiques en raison de leur apparence brillante et de leurs transmissions, qui peuvent affecter les mesures effectuées par des radiotélescopes très sensibles.
Le CPS rassemble des astronomes, des opérateurs de satellites, des décideurs politiques et d'autres parties prenantes afin de « coordonner les efforts et d'unifier les voix de la communauté astronomique mondiale en ce qui concerne la protection du ciel nocturne sombre et silencieux contre les interférences des constellations de satellites », comme indiqué sur leur site web. L'ESO rejoint désormais les deux partenaires fondateurs du centre, le centre national américain pour l'astronomie optique nocturne au sol NSF NOIRLab et l'Observatoire SKA (SKAO), une organisation intergouvernementale dédiée à la promotion de la collaboration mondiale en radioastronomie, en tant que partenaire officiel de l'institution. Cet accord signifie que l'ESO consacrera du personnel et des ressources au CPS de l'UAI, tout en jouant un rôle actif dans le processus décisionnel du centre.
La cérémonie et la signature de l'accord ont eu lieu en marge d'un atelier conjoint des Nations Unies et de la SKAO intitulé « Des cieux sombres et tranquilles pour la science et la société ».
Contacts
Bárbara Ferreira
ESO Media Manager
Garching bei München, Germany
Tel: +49 89 3200 6670
Email: press@eso.org
À propos de l'annonce
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