The larger the mirror of the telescope, the more light it can gather from a given source. The expanded light-gathering capability of a thirty meter aperture co

The larger the mirror of the telescope, the more light it can gather from a given source. The expanded light-gathering capability of a thirty meter aperture combined with the great conditions that exist at the top of Mauna Kea because of its altitudes will allow for a lot of observations that would've been impossible before because the data produced wouldn't have been clear enough.