The headlights of a car are 1.3 m apart. What is the maximum distance at which an eye with a pupil diameter of 0.40 cm can resolve these two headlights? Assume that the wavelength of light from the headlights is 555 nm.
The primary mirror of the orbiting Hubble Space Telescope has an angular resolution of rad. What is the smallest detail that it can observe at a distance of km?