Extremely Large Telescope
Radio Astronomy Podcast | Telescopes that changed astronomy
From Galileo's refractor, to the Hubble Space Telescope, to the JWST - there have been some telescopes that have changed how we look at the night sky.
ELT secondary mirror cast
The 4.2-metre wide secondary mirror for the Extremely Large Telescope has been cast.
Glyndŵr University's mirror polishing milestone
The Glyndŵr University team have polished a 1.5m optic for the E-ELT down to just 7.5nm.
E-ELT construction work begins
Building work on ESO's E-ELT, the world’s largest telescope, begins this week
UK team build first E-ELT prototype mirror
The group are the first to produce a successful prototype mirror segment for ESO