Ion Thrusters: How it works?
NASA's 2.3 kW NSTAR ion thruster for the Deep Space 1 spacecraft during a hot fire test at the Jet Propulsion Laboratory

Ion Thrusters: How it works?

Ion Thrusters shoot Electrons over the atoms of an inert gas and knock off more electrons from it, there by creating positive ions.

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Vernier Engines — What is it?
The first and second-stage engines of a Soyuz, showing the four RD-107 modules with twin vernier nozzles each, and the central RD-108 with four steerable vernier thrusters.

Vernier Engines — What is it?

A vernier thruster is a rocket engine used on a spacecraft for fine adjustments to the attitude or velocity of a spacecraft. The name is derived from vernier calipers (named after Pierre Vernier).

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How Rockets Navigate?
The above figures show gimballed thrust for three different gimbaled angles.

How Rockets Navigate?

How are rockets able to change their directions after launch and in space. We discuss, about Gimballed Engines, TVC actuator and more.

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