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polar-orbiting satelliteclick to hear

Satellite that travels in a polar orbit around the globe 14 times per day; this allows it to cover the entire surface of the globe, due to the Earth’s rotation.
polar-orbiting satellite solar array drive solar array radiometer thermal louver reaction engine assembly ultraviolet spectrometer S-band antenna Earth radiation sensor Earth radiation scanner microwave scanner antenna Earth sensor infrared sounder Sun sensor instrument platform search-and-rescue antennas battery modules

solar array drive click to hear

solar array click to hear

Power supply device that converts solar energy into immediately usable electrical energy.

radiometer click to hear

Instrument designed to measure electromagnetic radiation energy at a given frequency.

thermal louver click to hear

Adjustable mechanical component designed to modify thermal flux.

reaction engine assembly click to hear

Micromotor that makes it possible to direct a satellite to the desired position.

ultraviolet spectrometer click to hear

Instrument that monitors ozone levels in the Earth’s atmosphere.

S-band antenna click to hear

Antenna that enables a satellite to transmit the data it collects to the terrestrial station.

Earth radiation sensor click to hear

Radiometer that measures solar radiation and reflection in the Earth’s atmosphere.

Earth radiation scanner click to hear

Radiometer that analyzes a region of the globe by means of repeated scans.

microwave scanner click to hear

Instrument that produces an image of an observed area even in cloudy conditions since microwave frequencies pass through clouds.

antenna click to hear

Device that emits and receives radio waves.

Earth sensor click to hear

Instrument that locates the Earth’s horizon so that the antenna can be positioned correctly.

infrared sounder click to hear

Instrument that measures thermal energy in clouds and on the Earth’s surface with a view to capturing nighttime images of weather systems and cloud cover.

Sun sensor click to hear

Instrument that positions the solar panels in the direction of the Sun to capture its energy.

instrument platform click to hear

search-and-rescue antennas click to hear

Device that picks up distress signals emitted by ships or aircraft and makes it possible to determine their location.

battery modules click to hear