March 29, 2024

Not Science Fiction: Electric Propulsion Comes of Age With Psyche Mission to an Asteroid

By NASA
November 20, 2021

At left, xenon plasma produces a blue glow from an electric Hall thruster identical to those that will move NASAs Psyche spacecraft to the main asteroid belt. On the right is a similar non-operating thruster. Credit: NASA/JPL-Caltech
Itll be more brain than brawn that does the work when it comes time for NASAs Psyche spacecraft to power itself through deep area. When the things of science fiction, the quiet and efficient power of electrical propulsion will offer the force that propels the Psyche spacecraft all the way to the primary asteroid belt between metal-rich asteroid likewise called Psyche.
The image on the left captures an operating electrical Hall thruster identical to those that will move NASAs Psyche spacecraft, which is set to launch in August 2022 and take a trip to the primary asteroid belt between Mars and Jupiter. The xenon << span class="" glossaryLink" aria-describedby =" tt" data-cmtooltip=". < div" class="glossaryItemTitle > plasma. < div class= glossaryItemBody>> Plasma is one of the four essential states of matter, together with strong, liquid, and gas. It is an ionized gas consisting of positive ions and totally free electrons. It was very first described by chemist Irving Langmuir in the 1920s.. < p >” > plasma releases a blue glow as the thruster operates. The>image on the right> reveals a comparable non-operating Hall thruster. The image on the left was taken at NASAs Jet Propulsion Laboratory; the photo on the right was taken at NASAs Glenn Research.. < p > Psyches Hall thrusters will be the very first to be utilized beyond lunar orbit, demonstrating that they could contribute in supporting future objectives to deep space. The spacecraft is set to introduce in August 2022 and its super-efficient mode of propulsion uses solar arrays to record sunshine that is converted into electrical energy to power the spacecrafts thrusters. The thrusters work by turning xenon gas, a neutral gas utilized in cars and truck headlights and plasma TVs, into xenon ions. As the xenon ions are sped up out of the thruster, they produce the thrust that will propel the spacecraft.. < div id =" >

. < p >” > plasma releases a blue glow as the thruster runs. < p > Psyches Hall thrusters will be the very first to be used beyond lunar orbit, demonstrating that they might play a function in supporting future missions to deep area. .