Well a telescope can be used just about anywhere but it is most commonly used by astronomers and astrocartographers(People who study and take pictures of the sun,moon and stars)
They usually ARE used together, because astronomers want to see if there is anything visible at the same place as this bright radio source in the sky.
its used for looking out into the ocean/river/late/pond whatever body of water your in. but its usually used in the ocean.
A parabolic mirror, usually. A spherical mirror is also sometimes used, but that requires additional corrections in other parts of the telescope.
Nothing on that list is used in a radio telescope.
Usually, by using your eye sight, optical telescope, or radio telescope.
Galileo used and made the first telescope.
To make a tv telescope
The telescope has been used for over 100 years!!!
She didn't invent the telescope, but she used a telescope to discover a comet.
The small telescope on top of a larger telescope is called a guide scope or finder scope. It is used to help the astronomer point the main telescope at specific objects in the sky by providing a wider field of view for initial alignment. The guide scope is usually equipped with a crosshair reticle for precise targeting.
A telescope is used to view things far away.
To view things from far away is called a binocular