In orbital mechanics and aerospace engineering, a gravitational slingshot, gravity assist maneuver, or swing-by is the use of the relative movement (e.g. orbit around the sun) and gravity of a planet or other astronomical object to alter the path and speed of a spacecraft, typically in order to save propellant, time, and expense. Gravity assistanc...
Found on
http://en.wikipedia.org/wiki/Gravity_assist
Also known as the slingshot effect, an important spaceflight technique used successfully on a number of interplanetary missions, including Voyager, Galileo, and Cassini, whereby the gravitational field of a planet is used to increase the speed and alter the course of a spacecraft without the need to...
Found on
http://www.daviddarling.info/encyclopedia/G/gravityassist.html
Technique whereby a spacecraft takes angular momentum from a planet's solar orbit (or a satellite's orbit) to accelerate the spacecraft, or the reverse. See Chapter 4.
Found on
http://www.encyclo.co.uk/visitor-contributions.php
[
n] - (spaceflight) a trajectory that passes close to a planetary body in order to gain energy from its gravitational field
Found on
http://www.webdictionary.co.uk/definition.php?query=gravity-assist
No exact match found.
