
Identical rate of rotation of a satellite or moon to the main and bigger object it orbits.
Found on
http://planetfacts.org/space-terms/

(from the article `celestial mechanics`) ...centre of , there is a twisting effect, or torque, on that retards its rate of rotation. This retardation will continue until the rotation is ... ...the other in perpetual darkness. Until Earth-based radar observations proved otherwise in the 1960s, astronomers had long believed that to be th...
Found on
http://www.britannica.com/eb/a-z/s/200

The situation when a satellite spins on its axis in the same time it takes to orbit a planet; also known as captured rotation. Synchronous rotation means that the satellite always keep the same face toward its primary, as the Moon does toward Earth.
Found on
http://www.daviddarling.info/encyclopedia/S/synchronous_rotation.html

Said of a satellite if the period of its rotation about its axis is the same as the period of its orbit around its primary. This implies that the satellite always keeps the same hemisphere facing its primary (e.g. the Moon). It also implies that one hemisphere (the leading hemisphere) always faces in the direction of the satellite's motion while th...
Found on
http://www.encyclo.co.uk/local/20040

A period of rotation of a satellite about its axis that is the same as the period of its orbit around its primary. This causes the satellite to always keep the same face to the primary. Our Moon is in synchronous rotation around the Earth.
Found on
http://www.seasky.org/astronomy/astronomy-glossary.html

Phrase describing when a planet's moon takes the same amount of time orbiting the planet as it does spinning. This means the same side always faces the planet.
Found on
http://www.solarspace.co.uk/Glossary4.php

A satellite's rotational period is equal to its orbital period; this causes the same side of a satellite to always face the planet. Synchronous rotation occurs when a planet's gravity produces a tidal bulge in its satellite. The gravitational attraction and bulge acts like a torque, which slows down the satellite until it reaches a synchronous rota...
Found on
http://www.solarviews.com/eng/terms.htm

rotation of a satellite in which the period of rotation is equal to the period of orbit around its primary, leaving the same face always pointing toward the primary: The moon is in synchronous rotation about the earth.
Found on
https://www.infoplease.com/dictionary/synchronous-rotation
No exact match found.