Migrations in the Sea

An object that has been intentionally placed into orbit. artificial satellite. An artificial satellite is a human-made object that orbits around a planet to collect information or aid communication.

A filter-feeding system inside the mouths of baleen whales. Baleen. Baleen is a comb-like structure in whales' mouths used to filter small sea animals from water.

A link used for the transmission of signals from a satellite to earth station. Downlink. It's the process of sending data from a satellite back down to a receiving device on Earth.

A satellite with an orbital period the same as the Earth's rotation period. Geostationary satellite. A geostationary satellite orbits Earth at the same speed as Earth's rotation, making it appear stationary over one spot.

The smallest addressable element in an all points addressable display device. pixel. A pixel is a tiny dot that makes up the images on a screen.

A satellite which passes above both poles of Earth is called a polar satellite. Polar satellites orbit Earth in a way that allows them to see every part of the planet as it rotates, making them ideal for weather and environmental monitoring.

A link used for the transmission of signals from an earth station to satellite. Uplink. An uplink is when signals are sent from the ground to a satellite in space.