Dobsonian telescopes are popular among amateur astronomers.

Galilean telescopes are used to observe distant objects.

Schmidt telescopes are used for wide-field astronomical imaging.

The telescope houses in the observatory are used for stargazing.

Astronomers use terrestrial telescopes to observe celestial objects from Earth.

The astronomer observed the stars using a zenith telescope.

I saw several zenith telescopes at the observatory.

Transit telescopes are used to observe celestial objects as they pass through the meridian.

The astronomer used a transit telescope to observe the movement of celestial objects.

The X-ray telescope captured stunning images of distant galaxies.