General View of the Control Tower on March 4, 2013 in Opa Locka, Florida, United States. (Footage by Joe Raedle/Getty Images) Dept Of Transportation To Pull Air Traffic Controllers From Smaller Airports on March 04, 2013 in Opa Locka,...

Time lapse of a radio telescope probing the night sky

Mauna Kea Observatories

Time lapse of a radio telescope probing the night sky

Time lapse of a radio telescope probing the night sky.

Time lapse of a radio telescope probing the night sky

Time lapse of a radio telescope probing the night sky.

Time lapse of a radio telescope probing the night sky

Time lapse of a radio telescope probing the night sky

Airplane vapor trails crossing with clear sky - 720 HD

LS two aircraft mechanics working on rotor mast of helicopter, RED R3D 4K

Radar, locator, antena, radio, aviation, communication, traffic control, air traffic, airplane security

Rotor blades and engines on a Super Puma helicopter, Australia

An airplane passes behind a helicopter with its rotor blades spinning.

Night Sky and Satellite Dish Time Lapse with City light background

Rotor blades on a helicopter begin to spin and pick up speed.

MONTAGE Steel worker testing steel engine rotor for an airplane / United Kingdom

Planes Around the World - Loop

airplane landing overhead

airplane flying overhead

Radio telescope probing the New Mexico desert sky

Radio telescope probing the New Mexico desert sky

Mauna Kea Observatories

Mauna Kea Observatories