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    ALMA Inspires New Models for the Evolution of Planet-Forming Disks
    Press Releases

    ALMA Inspires New Models for the Evolution of Planet-Forming Disks

    6 May, 2025
    By combining ALMA observations and simulations, the ODISEA team traces how planets may form and reshape their disks Ever since ALMA captured the striking image of HL Tau in 2014, revealing intricate rings and gaps in a disk around a newborn star, astronomers have sought to understand how such complex structures could emerge so early. The...
    Press Releases ExoALMA survey reveals incredible images of structures in protoplanetary disks 
    28 April, 2025

    ExoALMA survey reveals incredible images of structures in protoplanetary disks 

    Announcements ALMA will be present at Antofagasta Puerto de Ideas 2025  
    23 April, 2025

    ALMA will be present at Antofagasta Puerto de Ideas 2025  

    Press Releases ALMA Reveals Hydrogen Glow Around Planet-Forming Disks in Orion 
    9 April, 2025

    ALMA Reveals Hydrogen Glow Around Planet-Forming Disks in Orion 

    Announcements A New Opportunity to Explore the Universe 
    2 April, 2025

    A New Opportunity to Explore the Universe 

    The People 10 Years Transforming Together our Understanding of the Universe
    16 March, 2023

    10 Years Transforming Together our Understanding of the Universe

    Press Releases ALMA Discovers Oxygen in Most Distant Known Galaxy
    24 March, 2025

    ALMA Discovers Oxygen in Most Distant Known Galaxy

    Science Blog EHT Reveals New Insights of Jets from Supermassive Black Holes 
    25 March, 2025

    EHT Reveals New Insights of Jets from Supermassive Black Holes 

    Announcements ALMA – In Search of our Cosmic Origins
    23 October, 2020

    ALMA – In Search of our Cosmic Origins

    Press Releases ALMA Discovers “Space Tornadoes” Around the Milky Way’s Core 
    19 March, 2025

    ALMA Discovers “Space Tornadoes” Around the Milky Way’s Core 

    Press Releases ALMA Unveils New Details of the Flares of Proxima Centauri  
    17 March, 2025

    ALMA Unveils New Details of the Flares of Proxima Centauri  

    Press Releases ALMA Found Hidden Cosmic Fuel
    17 March, 2025

    ALMA Found Hidden Cosmic Fuel

    Science Blog ALMAGAL survey seeks to uncover the origin of stars 
    10 March, 2025

    ALMAGAL survey seeks to uncover the origin of stars 

    Press Releases Discovery of "Hot Gas" May Be a New Way for Finding Hidden Black Holes in the Early Universe 
    10 March, 2025

    Discovery of "Hot Gas" May Be a New Way for Finding Hidden Black Holes in the Early Universe 

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    ALMA Factsheet

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    Operation Support Facility (OSF)

    San Pedro de Atacama, Chile

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    • Operations Support Facility (OSF)

      • Operations Support Facility (OSF)
      • Operations Support Facility (OSF)
      • Operations Support Facility (OSF)
      The ALMA Operations Support Facility, at an altitude of 2900 metres in the Chilean Andes, serves as the focal point for most of the observatory activities, hosting the antenna control room, laboratories and offices. Address: Kilómetro 121, Carretera CH 23, San Pedro de Atacama, Chile Phone: +56 2 2467 6416
    • Array Operation Site (AOS)

      • Array Operation Site (AOS)
      • Array Operation Site (AOS)
      • Array Operation Site (AOS)
      The ALMA Array Operations Site, at an altitude of 5000 metres in the Chilean Andes, houses the ALMA antennas and the correlator, the fastest data processing system ever used at an astronomical site. Coordinates: 23° 1′ 23.5″ S, 67° 45′ 16.7″ W
    • Santiago Central Offices (SCO)

      • Santiago Central Offices (SCO)
      • Santiago Central Offices (SCO)
      • Santiago Central Offices (SCO)
      The ALMA headquarters, located in Vitacura district in Santiago of Chile, houses the Director’s Office and its associated functional units, as well as astronomers, technicians and administrative staff, and the ALMA archive. Address: Alonso de Córdova 3107, Vitacura , Santiago, Chile Phone: +56 2 2467 6100

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    ALMA, a worldwide collaboration

    The Atacama Large Millimeter/submillimeter Array (ALMA) -the largest astronomical project in existence- is a single telescope of revolutionary design, composed of 66 high precision antennas located on the Chajnantor Plateau, 5000 meters altitude in northern Chile. ALMA is an international partnership of the European Southern Observatory (ESO), the U.S. National Science Foundation (NSF) and the National Institutes of Natural Sciences (NINS) of Japan, together with NRC (Canada), NSTC and ASIAA (Taiwan), and KASI (Republic of Korea), in cooperation with the Republic of Chile.

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    Santiago Central Offices (SCO): Alonso de Córdova 3107, Vitacura , Santiago, Chile | Phone: +56 2 2467 6100
    Operation Support Facilities (OSF): Kilómetro 121, Carretera CH 23, San Pedro de Atacama, Chile | Phone: +56 2 2467 6416