A flyby is a quick look at something. Sometimes astronauts will fly by Earth to take pictures or to measure how fast the planet is moving.

  • They were treated to a flyby of the moon as they were flying over it.

  • The astronauts were treated to a flyby of the planet Mars as they were flying by.

Definition of flybys


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


A low-level ceremonial flight, typically in connection with an airshow or a military parade.


A brief visit.

Nearby Words

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