In science what does the word satellite means?

Answer 1

A satellite is any object that orbits another object. The moon orbits earth, which makes it a satellite. Planets orbit the sun, which makes them satellites also. However, when speaking of "planetary satellites", you are talking about the moons of the various planets.

Answer 2

A satellite is any mass that orbits a larger mass. A satellite may be a planet, moon, asteroid, or comet. The word 'satellite' is also used to refer to any man-made object launched to orbit Earth or another planetary body. Artificial satellites may be spacecraft or orbiting telescopes.

Answer 3

an object which orbits a larger object.