flyby

As nouns the difference between glide and flyby

is that glide is the act of gliding while flyby is a flight past a celestial object in order to make observations.

As a verb glide

is to move softly, smoothly, or effortlessly.

As a noun flyby

is a flight past a celestial object in order to make observations.

As nouns the difference between flyby and orbiter

is that flyby is a flight past a celestial object in order to make observations while orbiter is an object which orbits another, especially a spacecraft that orbits a planet etc. without landing on it.

As nouns the difference between flyby and flyboy

is that flyby is a flight past a celestial object in order to make observations while flyboy is (slang) aircraft pilot, especially of a military combat aircraft.