Telescope

A telescope is an instrument that aids in the observation o remote objects bi collectin electromagnetic radiation (sic as veesible licht). The first kent practical telescopes wur invented in the Netherlands at the beginnin o the 17t century, uisin gless lenses. Thay foond uise in terrestrial applications an astronomy.

The 100 inch (2.5 m) Hooker reflectin telescope at Munt Wilson Observatory near Los Angeles, Californie.