The Atacama Large Millimeter/submillimeter Array is an astronomical interferometer of 66 radio telescopes in the Atacama Desert of northern Chile, which observe electromagnetic radiation at millimeter
ALMA Antennas on Chajnantor
ALMA logo
The first two ALMA antennas linked together as an interferometer
Three ALMA antennas linked together as an interferometer for the first time
The European Organisation for Astronomical Research in the Southern Hemisphere, commonly referred to as the European Southern Observatory, is an intergovernmental research organisation made up of 16 m
Atacama Large Millimeter Array
…LMA) of Japan. The first step toward the creation of what would become ALMA came in 1997, when the National Radio Astronomy Observatory (NRAO) and the European Southern Observatory (ESO) agreed to pursue a common project that merged the MMA and LSA. The merged array combined the sensitivity of the LSA with the frequency coverage…
The ESO headquarters in Garching, Germany, in 1997
The same site in 2014, a year after a new extension was built (in the foreground)
Directors general of ESO (from left to right): Lodewijk Woltjer, Harry van der Laan, Catherine Cesarsky, Tim de Zeeuw and Xavier Barcons
La Silla cluster of telescopes