Each primary mirror weighs 17-metric tons and is supported by a highly specialized pneumatic support system which is housed ...

Construction of the world's largest telescope moves forward with progress of the structure's dome and housing for the primary mirror. The European Southern Observatory's (ESO) Extremely Large ...

"The wavefront sensing team responsible for keeping Webb's mirrors in order has been monitoring, investigating, trending, and occasionally moving its primary mirror segments during science operations.

Wednesday saw the observatory's secondary mirror locked into position on the end of three 8m-long booms. It sets the stage for the all-important unpacking of Webb's giant primary mirror - the ...

Webb used its huge 6.5m-wide primary mirror and sensitive infrared instruments to make the discovery. The telescope's previous record holder was a galaxy seen at 325 million years after the Big Bang.

The Large Zenith Telescope: A 6 m Liquid‐Mirror Telescope This is the metadata section. Skip to content viewer section. ABSTRACT The Large Zenith Telescope is a 6 m optical telescope employing a ...