Telescopes are instruments used by astronomers.
The first person to do this was Galileo.
Telescopes can be used.
Telescopes.
On march 1610
Space telescopes w/ cameras
they use telescopes gosh you people are stupid
1. Isaac Newton's discoveries about light and movement of planets were used to make the first flights to the moon possible.
bite me fool
People commonly look through telescopes to see into space. Telescopes are used by NASA to see stars and planets very far away, and less sophisticated models are used to see planets in our solar system, or even the moon.
Collimation is used for telescopes to make sure the telescopes are perfectly aligned. The reflector will not produce the best image if the aligned is not just right.
Telescopes are inanimate objects and dont' "see" anything. However, yes, reflector telescopes can be used to observe planets; the vast majority of large scopes are of the reflector type.
Galileo Galilei
Our eyes. Often augmented through the use of artificial devices such as cameras, telescopes, and charge-coupled devices.