Giant Magellan telescope begins primary mirror support system testing
Each primary mirror weighs 17-metric tons and is supported by a highly specialized pneumatic support system which is housed ...
JSTOR Daily7 年
The Large Zenith Telescope: A 6 m Liquid‐Mirror Telescope
854, April 2007 The Large Zenith Telescope: A 6 m Liquid... The Large Zenith Telescope: A 6 m Liquid‐Mirror Telescope This is the metadata section. Skip to content viewer section. ABSTRACT The Large ...
Space.com27 天
A 'giant' rising in the desert: World's largest telescope comes together (photo)
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 ...
BBC3 年
James Webb Space Telescope extends secondary mirror
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 ...