Definitions for "Flyby"
a path a spacecraft follows past a planet or other body in space to get information about it
Space flight past a heavenly body without orbiting.
close passage of a space probe near a celestial body. Focal distance distance from the centre of a lens to the plane where the image is formed.
a post that is controversial in nature where the intent for the post is nothing more than to start an argument
a non-aerobatic pass (can be a single pass or multiple passes) of an aircraft