How does a larger telescope mirror primarily help in viewing faint, distant stars?

Answer

It collects far more photons from the faint source

A larger telescope mirror or lens increases light-gathering ability, allowing it to collect significantly more photons, which enables the perception of faint light and accurate color capture over long exposures.

How does a larger telescope mirror primarily help in viewing faint, distant stars?

#Videos

What Does A Star Look Like Up Close In Space? - Physics Frontier

astronomyappearanceDistancelookstarsstarcloser