retrorocket
Noun: A retrorocket is a small, auxiliary rocket engine mounted on a larger rocket, missile, or spacecraft. Its primary function is to produce thrust in a direction opposite to the vehicle's forward motion, thereby slowing it down or altering its course.
A retrorocket is used for controlled deceleration or course correction. It is typically fired during maneuvers such as: * Slowing a spacecraft for re-entry into a planet's atmosphere. * Executing a soft landing on a celestial body. * Adjusting the orbit or trajectory of a spacecraft. * Slowing a missile or test vehicle.
- The lunar module fired its retrorocket to begin its descent to the Moon's surface.
- Engineers calculated the precise moment to ignite the retrorocket for atmospheric re-entry.
- A malfunction in the retrorocket system could jeopardize the entire landing sequence.
- Retrorocket Pack: A system or cluster of multiple retrorockets used together for a braking maneuver.
- The capsule was equipped with a retrorocket pack to ensure a safe splashdown.
- Retrofire (noun/verb): The act of firing a retrorocket or the period during which it is firing.
- Retrofire will commence in T-minus 30 seconds.
- Braking rocket: A synonymous term for a retrorocket, emphasizing its decelerating function.
- Deorbit burn: A specific maneuver using retrorockets to slow a spacecraft enough to leave orbit and begin re-entry.
- Braking rocket
- Deceleration rocket
- Retro-engine
The term is a combination of the prefix "retro-" (meaning "backward" or "behind") and "rocket." It is a specialized term used almost exclusively in the context of aerospace engineering and spaceflight.
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a small rocket engine on a larger rocket or spacecraft that is fired to slow or alter its course
