What is the

Main function of a telescooe

The main function of a telescope is to gather enough light from the target so that ...

- - it can be magnified big enough to see detail in it, if it has detail, without it getting so dim that it disappears;

or

- - if it has no detail (like a distant star), there's enough light from it to analyze the light with the instruments we have.

I think to see further away