A sneak peek of M2’s metallic cradle

1 year ago
3

Measuring 4.25 meters across and weighing 12 tonnes, the M2 mirror of ESO's Extremely Large Telescope (ELT) will be the largest ever secondary mirror on a telescope. Within the #ELT, it will be held by a specially designed cell, currently being tested and which you can discover in this video.

Loading comments...