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NASA's Aerospace Safety Advisory Panel Releases 2021 Annual Report
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By NASA
Editor’s Note: The following is one of three related articles about the NASA Data Acquisition System and related efforts. Please visit Stennis News – NASA to access accompanying articles.
NASA software engineer Brandon Carver updates how the main data acquisition software processes information at NASA’s Stennis Space Center, where he has contributed to the creation of the center’s first-ever open-source software.NASA/Danny Nowlin Syncom Space Services software engineer Shane Cravens, the chief architect behind the first-ever open-source software at NASA’s Stennis Space Center, verifies operation of the site’s data acquisition hardware.NASA/Danny Nowlin NASA’s Stennis Space Center near Bay St. Louis, Mississippi, has released its first-ever open-source software, a peer review tool to facilitate more efficient and collaborative creation of systems applications, such as those used in its frontline government and commercial propulsion test work.
“Everyone knows NASA Stennis as the nation’s premier rocket propulsion test site,” said David Carver, acting chief of the Office of Test Data and Information Management. “We also are engaged in a range of key technology efforts. This latest open-source tool is an exciting example of that work, and one we anticipate will have a positive and widespread impact.”
The new NASA Data Acquisition System Peer Review Tool was developed over several years, built on lessons learned as site developers and engineers created software tools for use across the center’s sprawling test complex. It is designed to simplify and amplify the collaborative review process, allowing developers to build better and more effective software applications.
The new NASA Stennis Peer Review tool was developed using the same software processes that built NDAS. As center engineers and developers created software to monitor and analyze data from rocket propulsion tests, they collaborated with peers to optimize system efficiency. What began as an internal review process ultimately evolved into the open-source code now available to the public.
“We refined it (the peer review tool) over a period of time, and it has improved our process significantly,” said Brandon Carver (no relation), a NASA Stennis software engineer. “In early efforts, we were doing reviews manually, now our tool handles some of these steps for us. It has allowed us to focus more on reviewing key items in our software.”
Developers can improve time, efficiency, and address issues earlier when conducting software code reviews. The result is a better, more productive product.
The NASA Stennis tool is part of the larger NASA Data Acquisition System created at the center to help monitor and collect propulsion test data. It is designed to work with National Instruments LabVIEW, which is widely used by systems engineers and scientists to design applications. LabVIEW is unique in using graphics (visible icon objects) instead of a text-based programming language to create applications. The graphical approach makes it more challenging to compare codes in a review process.
“You cannot compare your code in the same way you do with a text-based language,” Brandon Carver said. “Our tool offers a process that allows developers to review these LabVIEW-developed programs and to focus more time on reviewing actual code updates.”
LabVIEW features a comparison tool, but NASA Stennis engineers identified ways they could improve the process, including by automating certain steps. The NASA Stennis tool makes it easier to post comments, pictures, and other elements in an online peer review to make discussions more effective.
The result is what NASA Stennis developers hope is a more streamlined, efficient process. “It really optimizes your time and provides everything you need to focus on right in front of you,” Brandon Carver said. “That’s why we wanted to open source this because when we were building the tool, we did not see anything like it, or we did not see anything that had features that we have.”
“By providing it to the open-source community, they can take our tool, find better ways of handling things, and refine it,” Brandon Carver said. “We want to allow those groups to modify it and become a community around the tool, so it is continuously improved. Ultimately, a peer review is to make stronger software or a stronger product and that is also true for this peer review tool.
“It is a good feeling to be part of the process and to see something created at the center now out in the larger world across the agency,” Brandon Carver said. “It is pretty exciting to be able to say that you can go get this software we have written and used,” he acknowledged. “NASA engineers have done this. I hope we continue to do it.”
To access the peer review tool developed at NASA Stennis, visit NASA GitHub.
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Last Updated May 08, 2025 EditorNASA Stennis CommunicationsContactC. Lacy Thompsoncalvin.l.thompson@nasa.gov / (228) 688-3333LocationStennis Space Center Related Terms
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By Space Force
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By NASA
3 min read
Preparations for Next Moonwalk Simulations Underway (and Underwater)
NASA’s annual Student Launch challenge will bring middle school, high school, and college students from around the country together to launch high-powered rockets and payloads. On Saturday, May 3, from 8:30 a.m.-2:30 p.m. CDT (or until the last rocket launches), student teams will convene for the agency’s 25th annual challenge at Bragg Farms in Toney, Alabama, near NASA’s Marshall Space Flight Center in Huntsville.
Hundreds of students from across the U.S. and Puerto Rico launched amateur rockets near NASA’s Marshall Space Flight Center in Huntsville, Alabama, during the Agency’s 2024 Student Launch competition. NASA Live streaming will begin at 8:20 a.m. CDT on NASA Marshall YouTube.
Media interested in covering Student Launch events should contact Taylor Goodwin at 938-210-2891.
Winners will be announced June 9 during a virtual awards ceremony once all teams’ flight data has been verified.
Seventy-one teams participated this year; 47 teams are expected to launch in-person. Teams not traveling to Alabama are allowed to conduct final test flights at a qualified launch field near them.
Schedule of Events:
Rocket Fair: Friday, May 2, 2025, 3-6 p.m. at the Von Braun Center East Hall.
A free event for the public to view rockets and meet the student teams.
Launch Day: Saturday, May 3, 2025, gates open at 7 a.m. and the event runs from 8:30 a.m.-2:30 p.m. (or until last rocket launch) at Bragg Farms, in Toney, Alabama. This is a free public event with live rocket launches. Please be weather aware. Lawn chairs are recommended. Pets are not permitted.
Back-up Launch Day: Sunday, May 4, 2025, is reserved as a back-up launch day in case of inclement weather. If needed, the event will run from 8:30 a.m. to 2:30 p.m. (or until last rocket launches) at Bragg Farms.
About the Competition
Student Launch provides relevant, cost-effective research and development of rocket propulsion systems and reflects the goals of NASA’s Artemis Program, which will establish the first long-term presence on the Moon and pave the way for eventual Mars missions.
Each year, the payload component changes to reflect current NASA missions. As Student Launch celebrates its 25th anniversary, the payload challenge will include “reports” from STEMnauts, non-living objects representing astronauts. The STEMnaut “crew” must relay real-time data to the student team’s mission control, just as the Artemis astronaut crew will do as they explore the lunar surface.
Eligible teams compete for prizes and awards and are scored in nearly a dozen categories including safety, vehicle design, social media presence, and science, technology, engineering, and math (STEM) engagement.
Marshall’s Office of STEM Engagement hosts Student Launch to encourage students to pursue careers in STEM through real-world experiences. Student Launch is a part of the agency’s Artemis Student Challenges– a variety of activities exposing students to the knowledge and technology required to achieve the goals of the Artemis missions.
In addition to the NASA Office of STEM Engagement’s Next Gen STEM project, NASA Space Operations Mission Directorate, Northrup Grumman, National Space Club Huntsville, American Institute of Aeronautics and Astronautics, National Association of Rocketry, Relativity Space and Bastion Technologies provide funding and leadership for the competition.
For more information about Student Launch, please visit:
https://www.nasa.gov/learning-resources/nasa-student-launch/
Taylor Goodwin
NASA’s Marshall Space Flight Center, Huntsville, Alabama
256-544-0034
taylor.goodwin@nasa.gov
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Last Updated Apr 29, 2025 EditorBeth RidgewayLocationMarshall Space Flight Center Related Terms
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By NASA
6 Min Read NASA’s Chandra Releases New 3D Models of Cosmic Objects
New three-dimensional (3D) models of objects in space have been released by NASA’s Chandra X-ray Observatory. These 3D models allow people to explore — and print — examples of stars in the early and end stages of their lives. They also provide scientists with new avenues to investigate scientific questions and find insights about the objects they represent.
These 3D models are based on state-of-the-art theoretical models, computational algorithms, and observations from space-based telescopes like Chandra that give us accurate pictures of these cosmic objects and how they evolve over time.
However, looking at images and animations is not the only way to experience this data. The four new 3D printable models of Cassiopeia A (Cas A), G292.0+1.8 (G292), Cygnus Loop supernova remnants, and the star known as BP Tau let us experience the celestial objects in the form of physical structures that will allow anyone to hold replicas of these stars and their surroundings and examine them from all angles.
Cassiopeia A (Cas A)
Using NASA’s James Webb Space Telescope, astronomers uncovered a mysterious feature within the remnant, nicknamed the “Green Monster,” alongside a puzzling network of ejecta filaments forming a web of oxygen-rich material. When combined with X-rays from Chandra, the data helped astronomers shed light on the origin of the Green Monster and revealed new insights into the explosion that created Cas A about 340 years ago, from Earth’s perspective.
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3D Model of Cassiopeia A "Green Monster" INAF-Osservatorio Astronomico di Palermo/Salvatore Orlando To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video
3D Model of Cassiopeia AINAF-Osservatorio Astronomico di Palermo/Salvatore Orlando BP Tau
X-ray: NASA/CXC/SAO; Optical: PanSTARRS; Image Processing: NASA/CXC/SAO/N. Wolk This 3D model shows a star less than 10 million years old that is surrounded by a disk of material. This class of objects is known as T Tauri stars, named after a young star in the Taurus star-forming region. The model describes the effects of multiple flares, or outbursts that are detected in X-rays by Chandra from one T Tauri star known as BP Tau. These flares interact with the disk of material and lead to the formation of an extended outer atmosphere composed by hot loops, connecting the disk to the developing star.
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3D Model of BP TauINAF-Osservatorio Astronomico di Palermo/Salvatore Orlando Cygnus Loop
X-ray: NASA/SAO/CXC; Optical: John Stone (Astrobin); Image Processing: NASA/SAO/CXC/L. Frattre, N. Wolk The Cygnus Loop (also known as the Veil Nebula) is a supernova remnant, the remains of the explosive death of a massive star. This 3D model is the result of a simulation describing the interaction of a blast wave from the explosion with an isolated cloud of the interstellar medium (that is, dust and gas in between the stars). Chandra sees the blast wave and other material that has been heated to millions of degrees. The Cygnus Loop is a highly extended, but faint, structure on the sky: At three degrees across, it has the diameter of six full moons.
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3D Model of Cygnus LoopINAF-Osservatorio Astronomico di Palermo/Salvatore Orlando G292.0+1.8
X-ray: NASA/CXC/SAO; Optical:NSF/NASA/DSS; Image Processing This is a rare type of supernova remnant observed to contain large amounts of oxygen. The X-ray image of G292.0+1.8 from Chandra shows a rapidly expanding, intricately structured field left behind by the shattered star. By creating a 3D model of the system, astronomers have been able to examine the asymmetrical shape of the remnant that can be explained by a “reverse” shock wave moving back toward the original explosion.
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3D Model of G292.0+1.8INAF-Osservatorio Astronomico di Palermo/Salvatore Orlando The 3D models here are the subject of several scholarly papers by Salvatore Orlando of INAF in Palermo, Italy, and colleagues published in The Astrophysical Journal, Astronomy & Astrophysics, and Monthly Notices of the Royal Astronomical Society. Much of this work is also publicly available work on SketchFab.
NASA’s Marshall Space Flight Center manages the Chandra program. The Smithsonian Astrophysical Observatory’s Chandra X-ray Center controls science operations from Cambridge, Massachusetts, and flight operations from Burlington, Massachusetts.
Read more from NASA’s Chandra X-ray Observatory.
Learn more about the Chandra X-ray Observatory and its mission here:
https://www.nasa.gov/chandra
https://chandra.si.edu
Visual Description
This release features visualizations of three supernova remnants and one star. Each is rendered as a composite image, and as a digital 3-dimensional model, presented in separate short video clips. The composite images are two dimensional and static, but the digital models rotate, showcasing their three-dimensionality.
The first featured supernova is Cassiopeia A. In the X-ray, optical, and infrared composite image, the debris from an exploded star resembles a round purple gas cloud, marbled with streaks of golden light. In the rotating, 3D model, the purple gas cloud is depicted as a flat disk, like a record or CD. Bursting out the front and back of the disk is an orange and white shape similar to a ball of coral, or a head of cauliflower lined with stubby tendrils. Most of the ball, and the majority of the tendrils, appear on one side of the disk. On the opposite side, the shape resembles dollops of thick whipped cream.
Next in the release is a star known as BP Tau. BP Tau is a developing star, less than 10 million years old, and prone to outbursts or flares. These flares interact with a disk of material that surrounds the young star, forming hot loops of extended atmosphere. In the composite image, BP Tau resembles a distant, glowing white dot surrounded by a band of pink light. The rotating, 3D model is far more dynamic and intriguing! Here, the disk of material resembles a large blue puck with round, ringed, concave surfaces. At the heart of the puck is a small, glowing red orb: the developing star. Shooting out of the orb are long, thin, green strands: the flares. Also emerging from the orb are orange and pink petal-shaped blobs: the loops of extended atmosphere. Together, the orb, strands, and petals resemble an exotic flowering orchid.
The third celestial object in this release is the supernova remnant called Cygnus Loop. In the composite image, the remnant resembles a wispy cloud in oranges, blues, purples, and whites, shaped like a backwards letter C. The 3D model examines this cloud of interstellar material interacting with the superheated, supernova blast wave. In the 3D model, the Cygnus Loop resembles a bowl with a thick base, and a wedge cut from the side like a slice of pie. The sides of the bowl are rendered in swirled blues and greens. However, inside the thick base, revealed by the wedge-shaped cut, are streaks of red and orange. Surrounding the shape are roughly parallel thin red strands, which extend beyond the top and bottom of the digital model.
The final supernova featured in this release is G292.0+1.8. The composite image depicts the remnant as a bright and intricate ball of red, blue, and white X-ray gas and debris set against a backdrop of gleaming stars. In the 3D model, the remnant is rendered in translucent icy blue and shades of orange. Here, the rotating shape is revealed to be somewhat like a bulbous arrowhead, or perhaps an iceberg on its side.
News Media Contact
Megan Watzke
Chandra X-ray Center
Cambridge, Mass.
617-496-7998
mwatzke@cfa.harvard.edu
Lane Figueroa
Marshall Space Flight Center, Huntsville, Alabama
256-544-0034
lane.e.figueroa@nasa.gov
About the Author
Lee Mohon
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Last Updated Apr 16, 2025 Related Terms
Chandra X-Ray Observatory Astrophysics General Marshall Astrophysics Marshall Space Flight Center Supernova Remnants The Universe Explore More
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