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Hints of Color in Japan’s Kii Mountains
The onset of autumn reds and yellows was delayed across the country following several unusually warm months.
NASA Technologies Aim to Solve Housekeeping’s Biggest Issue – Dust
During the flight test with Blue Origin, seven technologies developed by NASA’s Game Changing Development (GCD) program will study regolith mechanics and lunar dust transport in a simulated lunar gravity environment.
Sucia in Summer
Accessible to the intrepid boater, Washington state’s northern San Juan Islands include a marine state park with abundant natural beauty and geologic wonders.
Hubble Images a Grand Spiral
This NASA/ESA Hubble Space Telescope image features the glorious spiral galaxy NGC 5643, which is located roughly 40 million light-years away in the constellation Lupus, the Wolf. NGC 5643 is a grand design spiral, which refers to the galaxy’s symmetrical…
NASA Kennedy Top 24 Stories of 2024
From sending crew members to the International Space Station to launching a spacecraft to Jupiter’s icy moon Europa to determine if it could support life, 2024 was a busy record setting year for NASA and its partners at Kennedy Space…
The Fast Fire Threat
Two decades of satellite data show that the most destructive U.S. fires burn in grasslands and shrublands fanned by strong winds.
NASA’s Perseverance Rover Reaches Top of Jezero Crater Rim
The road ahead will be even more scientifically intriguing, and probably somewhat easier-going, now that the six-wheeler has completed its long climb to the top. NASA’s Perseverance Mars rover has crested the top of Jezero Crater’s rim at a location…
2024 NESC Technical Update
Annual Report of NESC Technical Activities On behalf of the NASA Engineering and Safety Center (NESC), I am pleased to provide you with the 2024 NESC Technical Update. This annual report summarizes the technical work, engineering advancements, and knowledge capture efforts…
NASA Gives The World a Brake
Just as NASA needs to reduce mass on a spacecraft so it can escape Earth’s gravity, automotive manufacturers work to reduce weight to improve vehicle performance. In the case of brake rotors, lighter is better for a vehicle’s acceleration, reliable…
Key Considerations When Developing Avionics for Safety-Critical Systems
This article is from the 2024 Technical Update. Multiple human spaceflight programs are underway at NASA including Orion, Space Launch System, Gateway, Human Landing System, and EVA and Lunar Surface Mobility programs. Achieving success in these programs requires NASA to…
6DOF Check Cases
This article is from the 2024 Technical Update. In 2015, the NESC released benchmark Earth-based check-cases for well specified, rigid-body, six-degree-of-freedom (6DOF) aero/spacecraft models to promote consistent and accurate flight simulations across multiple Agency tools and facilities. Recently, the NESC…
Sols 4391-4392: Rounding the Bend
Earth planning date: Wednesday, Dec. 11, 2024 For planning today, we have a beautiful view of the northern tip of Texoli, as seen in the image foreground. Unfortunately, the rocks that make the view so pretty also made it unsafe…
Helium Conservation by Diffusion Limited Purging of Liquid Hydrogen Tanks
This article is from the 2024 Technical Update. The NASA Engineering and Safety Center (NESC) has developed an analytical model that predicts diffusion between two gases during piston purging of liquid hydrogen (LH2) tanks. This model helps explain dramatic helium…
Considerations for Using Autonomous Flight Termination Softwarein Crewed Launch Vehicles
This article is from the 2024 Technical Update Autonomous flight termination systems (AFTS) are being progressively employed onboard launch vehicles to replace ground personnel and infrastructure needed to terminate flight or destruct the vehicle should an anomaly occur. This automation…
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