And its resolving power will help with the search for extrasolar planets.

它的分辨率还有助于研究太阳系外行星的情况。

The resolving power of a telescope is determined by the ratio of its size to the wavelength of the radiation it is collecting.

望远镜的分辨力是由自身尺径和其收集到的电波的波长（两者间）的比例的大小决定。

Meaning, at 20 feet, the patterns of white and black are just at the limit of your eye's resolving power.

这意味着，在 20 英尺处，白色和黑色的图案刚好处于您眼睛分辨能力的极限。