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[NASA] I Am Artemis: Daniel Stubbs

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I Am Artemis: Daniel Stubbs

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Listen to this audio excerpt from Daniel Stubbs, NASA aerospace engineer:

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If you’ve driven through a cloud of dust and dirt that temporarily obscured your view, you’ve gotten a partial picture of a potential problem that NASA’s

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will face when they land on the Moon. Daniel Stubbs, an aerospace engineer with the Plume and Aero Environments team in the Spacecraft and Vehicle Systems office at NASA’s Marshall Space Flight Center in Huntsville, Alabama, studies and models the interaction between plumes of rocket exhaust and the regolith on the surface of the Moon, paving the way for crew safety and Artemis mission success.

Stubbs, a native of Trussville, Alabama, who earned a bachelor’s, master’s, and doctoral degree in aerospace engineering from Auburn University in Alabama, decided early in his college career he wanted to work for NASA, but he didn’t see a clear path at the time to reach his goal. In graduate school, he had the opportunity to work on plume-surface interaction modeling as part of a

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grant. Now, Stubbs is continuing some of the work he first started as a graduate student.

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NASA’s Daniel Stubbs, seen here at the Lunar Regolith Terrain field at Marshall Space Flight Center, used his experience as a graduate student at in aerospace engineering at Auburn University modeling lunar regolith plumes into a position with NASA Marshall’s Plume and Aero Environments team working to characterize interactions between clouds of lunar regolith and commercial human landing systems.
NASA/Charles Beason

NASA’s Apollo missions uncovered the risks lunar regolith presents to astronauts, spacecraft, spacesuits, and other assets on the Moon’s surface. Lunar regolith consists of meteoroids and micrometeoroids that, over millennia, have been ground up into razor-sharp, abrasive particles. Future lunar explorers and their landers, rovers, and vehicles will face similar challenges. Landers in development are larger, heavier, and incorporate more rocket engines than the Lunar Module that landed astronauts on the Moon during the Apollo missions of the 1960s and 1970s. And, unlike Apollo Lunar Modules that left descent stages on the Moon, the new lunar landers will take off directly from the surface using the same engines, thrusters, and other systems that they used for the initial landing. Accurate prediction of the plume-surface interaction between the systems and the lunar regolith during landing will help ensure the lander hardware can survive that environment, and that it is ready to take off to meet Orion and astronauts in lunar orbit to return safely home to Earth.

As the engines’ exhaust plumes interact with the Moon’s surface, they could erode the surface, potentially forming a crater and a large cloud of lunar regolith.”

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Daniel StuBBs

NASA aerospace engineer

“The dust and regolith plume can make it difficult for instruments on the landers to see the surface of the Moon,” Stubbs said. “If these instruments don’t report correct readings to the guidance computers, it could affect a lunar landing. Also, when a lander takes off from the surface to return astronauts to Orion, the lunar regolith blown away from the landing site by the rocket plumes could damage scientific instruments or other assets that have been deployed on the surface of the Moon.”

NASA’s Human Landing System program is spearheading a major

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of rocket engine exhaust plumes and lunar dust and regolith. Testing in the 60-foot space simulator chamber at NASA’s Langley Research Center in Hampton, Virginia, will represent the conditions the lunar landers may experience, and create, when landing on the Moon.

The research will help engineers understand the aerodynamic forces landers will experience during descent and ascent from the surface, heating at a lander’s base, the potential for a large lunar lander to tip over as a result of crater formation or surface instability.

When the dust settles and NASA has landed American astronauts on the Moon in 2028, Daniel Stubbs will be able to reflect on his work modeling plumes of lunar dust and regolith that rocket engines will stir up.

Through the Artemis program, NASA will send astronauts to explore the Moon for scientific discovery, economic benefits, and to build the foundation for the first crewed missions to Mars – for the benefit of all.

For more on NASA’s human landing systems, visit: 

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About the Author

Corinne Beckinger

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Last Updated
May 28, 2026
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Lee Mohon
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