New Commercial Rocket Descent Data May Help NASA With Future Mars Landings

NASA successfully captured thermal images of a SpaceX Falcon 9 rocket on its descent after it launched in September from Cape Canaveral Air Force Station in Florida. The data from these thermal images may provide critical engineering information for future missions to the surface of Mars.
“Because the technologies required to land large payloads on Mars are significantly different than those used here on Earth, investment in these technologies is critical,” said Robert Braun, principal investigator for NASA’s Propulsive Descent Technologies (PDT) project and professor at the Georgia Institute of Technology in Atlanta. “This is the first high-fidelity data set of a rocket system firing into its direction of travel while traveling at supersonic speeds in Mars-relevant conditions. Analysis of this unique data set will enable system engineers to extract important lessons for the application and infusion of supersonic retro-propulsion into future NASA missions.”
NASA equipped two aircraft with advanced instrumentation to document re-entry of the rocket’s first stage. The first stage is the part of the rocket that is ignited at launch and burns through the rocket’s ascent until it runs out of propellant, at which point it is discarded from the second stage and returns to Earth. During its return, or descent, NASA captured quality infrared and high definition images and monitored changes in the smoke plume as the engines were turned on and off.
Thermal imagery of the Space X Falcon 9 first stage performing propulsive descent Sept. 21. Supersonic retro-propulsion data obtained from this flight test is being analyzed by NASA to design future Mars landing systems.
Thermal imagery of the Space X Falcon 9 first stage performing propulsive descent Sept. 21. Supersonic retro-propulsion data obtained from this flight test is being analyzed by NASA to design future Mars landing systems.
Image Credit: NASA
“NASA’s interest in building our Mars entry, descent and landing capability and SpaceX’s interest and experimental operation of a reusable space transportation system enabled acquisition of these data at low cost, without standing up a dedicated flight project of its own,” said Charles Campbell, PDT project manager at NASA’s Johnson Space Center in Houston.

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