Telescopes

Refracting Telescope

Reflecting Telescope(Newtonian)

Reflecting Telescope(Cassegrain)

Telescope Mounts

(Alt-Azimuth) (German Equatorial) (Fork)

Telescopes Enhance Our View of the Cosmos

Saturn

Telescopes Enhance Our View of the Cosmos

Mira

Radio Telescopes

Professional Observatories

Kitt Peak in Arizona (above)

Mauna Kea in Hawaii (right)

Technological Advances

Segmented Mirrors at Manua Kea (above)

and South African Large Telescope (right)

Adaptive Optics in action, Paranal Observatory in Chile