images

Gemini North Telescope and laser beam

by

B.Boccas/Novapix

Reference

o-mka01-00069

Date

2006-12-31

The 8-metre Gemini North telescope is located on top of over 4200 m (13,800 ft) high Mauna Kea, Hawaii. Laser beam is used to create an artificial star which helps the adaptive optics to measure and correct the atmosphere's blurring effect.