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Sols 4331-4333: Today’s Rover ABC – Aurora, Backwards Driving, and Chemistry, with a Side of Images
This image shows just how variable and interesting the terrain is in the area that NASA’s Mars rover Curiosity is currently investigating. Curiosity captured this long-distance Remote Micro Imager (RMI) image using the Chemistry & Camera (ChemCam) aboard the rover on sol 4329 — Martian day 4,329 of the Mars Science Laboratory mission — on Oct. 10, 2024 at 02:30:12 UTC. NASA/JPL-Caltech/LANL Earth planning date: Friday, Oct. 11, 2024
This blogger is in the United Kingdom, just north of London, where we yesterday had beautiful night skies with a red aurora that was even visible with the unaided eye, and looked stunning on photographs. That reminded me of the solar storm that made it all the way to Mars earlier this year. Here is my colleague Deborah’s blog about it: “Aurora Watch on Mars.” And, of course, that was a great opportunity to do atmospheric science and prepare for future crewed missions, to assess radiation that future astronauts might encounter. You can read about it in the article, “NASA Watches Mars Light Up During Epic Solar Storm.” But now, back from shiny red night skies north of London, and auroras on Mars six months ago, to today’s planning!
Power — always a negotiation! Today, I was the Science Operations Working Group chair, the one who has to watch for the more technical side of things, such as the question if all the activities will fit into the plan. Today there were many imaging ideas to capture the stunning landscape in detail with Mastcam and very close close-ups with the long-distance imaging capability of ChemCam (RMI). Overall, we have two long-distance RMIs in the plan to capture the details of the ridge we are investigating. You can see in the accompanying image an example from last sol of just how many stunning details we can see. I so want to go and pick up that smooth white-ish looking rock to find out if it is just the light that makes it so bright, or if the surface is different from the underside… but that’s just me, a mineralogist by training, used to wandering around a field site! Do you notice the different patterns — textures as we call them in geology — on the rocks to the left of that white-ish rock and the right of it? So much stunning detail, and we are getting two more RMI observations of 10 frames each in today’s plan! In addition there are more than 80 Mastcam frames planned. Lots of images to learn from!
Chemistry is also featuring in the plan. The rover is stable on its wheels, which means we can get the arm out and do an APXS measurement on the target “Midnight Lake,” which MAHLI also images. The LIBS investigations are seconding the APXS investigation on Midnight Lake, and add another target to the plan, “Pyramidal Pinnacle.” On the third sol there is an AEGIS, the LIBS measurement where the rover picks its own target before we here on Earth even see where it is! Power was especially tight today, because the CheMin team does some housekeeping, in particular looking at empty cells in preparation for the next drill. The atmosphere team adds many investigations to look out for dust devils and the dustiness of the atmosphere, and APXS measures the argon content of the atmosphere. This is a measure for the seasonal changes of the atmosphere, as argon is an inert gas that does not react with other components of the atmosphere. It is only controlled by the temperature in various places of the planet — mainly the poles. DAN continues to monitor water in the subsurface, and RAD — prominently featured during the solar storm I was talking about earlier — continues to collect data on the radiation environment.
Let’s close with a fun fact from planning today: During one of the meetings, the rover drivers were asked, “Are you driving backwards again?” … and the answer was yes! The reason: We need to make sure that in this rugged terrain, with its many interesting walls (interesting for the geologists!), the antenna can still see Earth when we want to send the plan. So the drive on sol 4332 is all backwards. I am glad we have hazard cameras on the front and the back of the vehicle!
Written by Susanne Schwenzer, Planetary Geologist at The Open University
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Last Updated Oct 13, 2024 Related Terms
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Astronaut Kayla Barron looks at chile peppers growing in the Advanced Plant Habitat aboard the International Space Station. Determining the best ways to water plants in space resulted in the development of a new electrostatic spray nozzle, now licensed to industry.Credit: NASA Whether protecting crops from diseases and pests or sanitizing contaminated surfaces, the ability to spray protective chemicals over important resources is key to several industries. Electrostatic Spraying Systems Inc. (ESS) of Watkinsville, Georgia, manufactures electrostatic sprayers and equipment that make this possible. By licensing NASA electrostatic technology, originally made to water plants in space, ESS’s improved spray nozzles efficiently use basic laws of electricity to achieve complete coverage on targeted surfaces.
ESS traces its origins to research done at the University of Georgia in the 1970s and ’80s. An electrostatic sprayer works by inducing an electric charge onto atomized droplets. Much like an inflated balloon sticking to a wall when it’s gained a charge of static electricity, the droplets then stick to targeted surfaces.
NASA’s interest in this technology originated with astronauts’ need for an easy way to support plant-growth experiments in space. On the International Space Station, watering plants without the help of gravity isn’t as easy as using a garden hose on Earth. In the future, using a system like an electrostatic sprayer on the space station or other orbiting destination could help the water droplets stick to the plants with uniform coverage. However, most spraying systems require large sources of water and air to properly aerosolize fluids.
An ESS mister nozzle undergoes testing at Kennedy Space Center. The design was improved through collaboration between the company and NASA.Credit: NASA As both air and water are precious resources in space, NASA needed an easier way to make these incredibly small droplets. Charles Buhler and Jerry Wang of NASA’s Kennedy Space Center in Florida led the efforts to develop this capability, with Edward Law of the University of Georgia as a consulting expert. Eventually, the NASA team developed a new design by learning from existing technology called a mister nozzle. The benefit of a mister is that even though the interior volume of the nozzle is small, the pressure inside never builds up, which makes it perfect for enclosed small spaces like the space station.
As the sprayer industry is a tight-knit group, technology transfer professionals at NASA reached out to the companies that could use a nozzle like this on Earth. Electrostatic Spraying Systems responded and later licensed the sprayer design from the agency and incorporated it into the company’s Maxcharge product lines.
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Bridget Moody stands at NASA’s Stennis Space Center where she is the technical lead for the NASA Stennis Environmental and Health Services Office. Along with supporting the NASA mission at NASA Stennis, Moody supports commercial companies by helping them determine environmental requirements and obtain required permits.NASA/Danny Nowlin Bridget Moody has the future in mind every day she works for NASA’s Stennis Space Center near Bay St. Louis, Mississippi.
The future success of NASA’s Artemis campaign. The future success of commercial companies working at NASA Stennis. The future success of the Artemis Generation to follow.
As technical lead for the NASA Stennis Environmental and Health Services Office, Moody’s job helps ensure work at America’s largest rocket propulsion test site is carried out with the best environmental stewardship in mind.
“This work is important because it helps preserve a legacy,” Moody said. “NASA has a mission, and it is also making sure we do that in the most environmentally sound manner possible. We all have the responsibility to protect and improve the environment.”
The McNeill, Mississippi, resident supports NASA’s Artemis campaign by managing the NASA Stennis air permit, ensuring all federal and state requirements are met.
The south Mississippi center is at the front end of the critical path for future space exploration by conducting hot fire testing for RS-25 engines that will help power NASA’s SLS (Space Launch System) rocket.
NASA Stennis also is preparing to test the agency’s new exploration upper stage for future SLS flights. The newer upper stage will help NASA carry larger payloads on future Artemis missions to the Moon and beyond.
Additionally, Moody’s knowledge of operations and environmental requirements benefits commercial companies working at NASA Stennis by helping them determine environmental requirements and obtain required permits in a timely manner.
“We know what needs to be done and how to get it done, so we can really help facilitate and expedite those processes for them,” she said.
Moody, a native of Slidell, Louisiana, moved to Mississippi from Baton Rouge, Louisiana, in 2005. One year later, she started working as a contractor at NASA Stennis before being hired by NASA in 2016.
The Southeastern Louisiana graduate received a NASA Early Career Achievement Medal in 2021. She was named a Space Hero by the agency that same year and received NASA’s prestigious Space Flight Awareness Silver Snoopy award, the astronaut’s award given to less than 1 percent of the total NASA workforce annually, in 2023.
“NASA is one of the top federal agencies to work for,” Moody said. “Everybody knows about NASA, so it is amazing to be here, to contribute to our mission and be a part of that legacy. At NASA Stennis, we work as a team with everyone contributing to meet all challenges. The work culture at NASA helps everybody realize that their contribution is important to our success, and all can have their voices heard.”
As NASA continues its mission of exploring the unknown in air and space, innovating for the benefit of humanity, and inspiring the world through discovery, Moody will continue working to leave things better than she found it in hopes of inspiring the Artemis Generation to come.
Learn more about the people who work at NASA Stennis View the full article
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A 1.2% scale model of the Super Heavy rocket that will launch the Starship human landing system to the Moon for future crewed Artemis missions was recently tested at NASA’s Ames Research Center’s transonic wind tunnel, providing valuable information on vehicle stability when re-entering Earth’s atmosphere.NASA Four grid fins on the Super Heavy rocket help stabilize and control the rocket as it re-enters Earth’s atmosphere after launching Starship to a lunar trajectory. Engineers tested the effects of various aerodynamic conditions on several grid fin configurations during wind tunnel testing. NASA Wind tunnel testing at NASA’s Ames Research Center helped engineers better understand the aerodynamic forces the SpaceX Super Heavy rocket, with its 33 Raptor engines, experiences during various stages of flight. As a result of the testing, engineers updated flight control algorithms and modified the exterior design of the rocket. NASA NASA and its industry partners continue to make progress toward Artemis III and beyond, the first crewed lunar landing missions under the agency’s Artemis campaign. SpaceX, the commercial Human Landing System (HLS) provider for Artemis III and Artemis IV, recently tested a 1.2% scale model of the Super Heavy rocket, or booster, in the transonic Unitary Plan Wind Tunnel at NASA’s Ames Research Center in California’s Silicon Valley. The Super Heavy rocket will launch the Starship human landing system to the Moon as part of Artemis.
During the tests, the wind tunnel forced an air stream at the Super Heavy scale model at high speeds, mimicking the air resistance and flow the booster experiences during flight. The wind tunnel subjected the Super Heavy model, affixed with pressure-measuring sensors, to wind speeds ranging from Mach .7, or about 537 miles per hour, to Mach 1.4, or about 1,074 miles per hour. Mach 1 is the speed that sound waves travel, or 761 miles per hour, at sea level.
Engineers then measured how Super Heavy model responded to the simulated flight conditions, observing its stability, aerodynamic performance, and more. Engineers used the data to update flight software for flight 3 of Super Heavy and Starship and to refine the exterior design of future versions of the booster. The testing lasted about two weeks and took place earlier in 2024.
After Super Heavy completes its ascent and separation from Starship HLS on its journey to the Moon, SpaceX plans to have the booster return to the launch site for catch and reuse. The Starship HLS will continue on a trajectory to the Moon.
To get to the Moon for the Artemis missions, astronauts will launch in NASA’s Orion spacecraft aboard the SLS (Space Launch System) rocket from the agency’s Kennedy Space Center in Florida. Once in lunar orbit, Orion will dock with the Starship HLS or with Gateway. Once the spacecraft are docked, the astronauts will move from Orion or Gateway to the HLS Starship, which will bring them to the surface of the Moon. After surface activities are complete, Starship will return the astronauts to Orion or Gateway waiting in lunar orbit. The astronauts will transfer to Orion for the return trip to Earth.
With Artemis, NASA will explore more of the Moon than ever before, learn how to live and work away from home, and prepare for future human exploration of the Red Planet. NASA’s SLS, exploration ground systems, and Orion spacecraft, along with the human landing system, next-generation spacesuits, Gateway lunar space station, and future rovers are NASA’s foundation for deep space exploration.
For more information about Artemis, visit:
https://www.nasa.gov/artemis
News Media Contact
Corinne Beckinger
Marshall Space Flight Center, Huntsville, Ala.
256.544.0034
corinne.m.beckinger@nasa.gov
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