A new spacecraft-mounted camera system funded by NASA is poised to return the first high-resolution video of a landing plume as it lands on the Moon.

The Heimdall camera system project, headed by Planetary Science Institute Senior Scientist R. Aileen Yingst, consists of four color cameras and a DVR to store images until they can be uplinked to Earth.

"The camera system will return the highest resolution images of the undisturbed lunar surface yet obtained, which is important for understanding regolith properties," Yingst said.

"We will be able to essentially video the landing in high resolution for the first time, so we can understand how the plume behaves - how far it spreads, how long particles are lofted. This information is crucial for the safety of future landings.

"Like its namesake in Norse mythology Heimdall the watchman of the gods, the Heimdall camera system has broad vision - it is designed to image a lunar landing site from above the horizon to the ground directly below the lander," said Yingst, Principal Investigator on the project.

"Also like its namesake, it is a shapeshifter; the system has flexible mounting options adaptable to a range of payload or mission goals."

Heimdall includes a wide-angle descent imager positioned to capture near-video-speed images of the interactions of the exhaust plume with the lunar regolith, and a narrow-angle regolith imager positioned looking down, to image the surface at approximately 35 microns/pixel (less than the width of a human hair). Two wide-angle panoramic imagers will be positioned to look outward at the landscape.

PSI Research Scientist Ryan Watkins is part of the Heimdall team. She will be studying the interaction of rocket exhaust plumes with the surface of the Moon, and will create digital terrain models.

"We will characterize potential landing sites, which will be informative for future missions to the Moon," Watkins said. "Heimdall will help ensure safe landings, and give us great science data in terms of the geology of the landing sites."

Funding for the project is $2.3 million over two years. The camera is funded as part of NASA's partnership with commercial entities to send scientifically robust payloads to the Moon.

Heimdall is part of NASA's Lunar Surface Instrument and Technology Payloads program.

Related Links
PSI Lunar Heimdall Camera
Mars News and Information at MarsDaily.com
Lunar Dreams and more

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