NASA just test fired a rocket designed to power long-term Moon trips

engineers have built and tested the agency's first full-scale rotating detonation rocket engine, or RDRE for short. This advanced rocket engine design could change how propulsion systems are built in the future in a big way.

This work comes as NASA begins to take the first steps toward establishing a long-term presence on the surface of the Moon.. The program's goal is to set up a stable way to explore the Moon by the decade's end. This includes making a lander that people can use, building a Gateway space station in lunar orbit, and sending surface systems and rovers to the Moon. The end goal of the Artemis program is to set up a permanent base on the Moon and prepare to send people to Mars.

The RDRE is different from other rocket engines because it gets thrust from a supersonic combustion process called detonation. This design can power human landers and interplanetary vehicles that travel to faraway places like the Moon and Mars. This is because it produces more power than current propulsion systems while using less fuel.

The RDRE achieved the highest pressure rating for this design ever recorded while operating at full throttle, producing almost 4,000 pounds of thrust for nearly a minute at an average chamber pressure of 622 pounds per square inch (4.6 Newton/mm

What makes the pulses and internally curved effect to the trail? Is it a pulsed engine?

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