New 39-Meter Mirror to Help Stabilize Extremely Large Telescope Images | ESO
With a 39-meter primary mirror, the European Southern Observatory's Extremely Large Telescope (ELT) will have five mirrors in total. Two of them—M4 and M5—will work together to cancel out atmospheric turbulence and vibrations due to wind and the telescope's mechanisms.
We are now testing the sophisticated cell that will support the M5. This mirror will have to tip and tilt 10 times per second while remaining perfectly flat and rigid—a technological challenge, as the mirror weighs 500 kg!
Learn more about ESO’s ELT at: https://elt.eso.org/
In 2006, approval was given for the construction of the largest optical telescope on Earth. The ELT stands at Cerro Armazones in Chile's Atacama Desert and will be one of the main flagships of the European Southern Observatory (ESO) for the next two decades.
Altitude: 3,046 meters
Planned year of technical first light: 2027
Duration: 1 minute
Release Date: Jan. 24, 2025
#NASA #ESO #Astronomy #Space #Science #AstronomicalObservatories #ExtremelyLargeTelescope #ELT #Dome #Mirror #Construction #Nebulae #Stars #Exoplanets #Galaxies #Cosmos #Universe #BiggestEyeOnTheSky #Technology #Engineering #CerroArmazones #AtacamaDesert #Chile #Europe #History #STEM #Education
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