“The history of astronomy is a history of receding horizons”

- Edwin Hubble –

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  • Photometer SG-WAS. Credit: Miguel Rodríguez Alarcón (IAC).
    Measuring darkness in remote places
  • View of HH204, a Herbig-Haro object in the Orion Nebula. The left panel shows the Orion Nebula observed with the Hubble Space Telescope, picking out the area around HH204. In the right panel, we can see in detail the structure of HH204 and of its apparent companion, HH203. In this panel, the images by the Hubble Space Telescope taken during 20 years and artificially highlighted with different colours show the advance of the jets of gas through the Orion Nebula. Credit: Gabriel Pérez Díaz, SMM (IAC).
    Anatomy of the impact of a protostellar jet in the Orion Nebula
  • Logo IAC
    Communiqué from the IAC: Sentence about the concession of the land for the construction of the TMT to the IAC
  • Image of the solar atmosphere showing a coronal mass ejection. Credit: NASA/SDO
    IRSOL and IAC scientists solve a complex paradox in solar physics
  • AEACI 2021 tutors and collaborators
    Now available in open access some of the lectures of the latest educational adventure of the IAC
  • Artist’s impression of the L 98-59 planetary system. Credit: ESO/M. Kornmesser
    A study offers new prospects for finding life outside the Earth


  • 03 Oct 21
    08 Oct 21
    Dark and Quiet Skies for Science and Society