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By European Space Agency
Image: ESA’s Metal 3D Printer has produced the first metal part ever created in space.
The technology demonstrator, built by Airbus and its partners, was launched to the International Space Station at the start of this year, where ESA astronaut Andreas Mogensen installed the payload in the European Drawer Rack of ESA’s Columbus module. In August, the printer successfully printed the first 3D metal shape in space.
This product, along with three others planned during the rest of the experiment, will return to Earth for quality analysis: two of the samples will go to ESA’s technical heart in the Netherlands (ESTEC), another will go to ESA’s astronaut training centre in Cologne (EAC) for use in the LUNA facility, and the fourth will go to the Technical University of Denmark (DTU).
As exploration of the Moon and Mars will increase mission duration and distance from Earth, resupplying spacecraft will be more challenging. Additive manufacturing in space will give autonomy for the mission and its crew, providing a solution to manufacture needed parts, to repair equipment or construct dedicated tools, on demand during the mission, rather than relying on resupplies and redundancies.
ESA’s technology demonstrator is the first to successfully print a metal component in microgravity conditions. In the past, the International Space Station has hosted plastic 3D printers.
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By European Space Agency
Image: The Copernicus Sentinel-2B satellite captured this image over Europe’s Spaceport in French Guiana on 2 September, just ahead of the Sentinel-2C launch. View the full article
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By NASA
2 min read
Preparations for Next Moonwalk Simulations Underway (and Underwater)
A prototype of the Mini Potable Water Dispenser, currently in development at NASA’s Marshall Space Flight Center, is displayed alongside various food pouches during a demonstration at NASA’s Johnson Space Center. NASA/David DeHoyos NASA engineers are working hard to ensure no astronaut goes hungry on the Artemis IV mission.
When international teams of astronauts live on Gateway, humanity’s first space station to orbit the Moon, they’ll need innovative gadgets like the Mini Potable Water Dispenser. Vaguely resembling a toy water soaker, it manually dispenses water for hygiene bags, to rehydrate food, or simply to drink. It is designed to be compact, lightweight, portable and manual, making it ideal for Gateway’s relatively small size and remote location compared to the International Space Station closer to Earth.
The team at NASA’s Marshall Space Flight Center in Huntsville, Alabama leading the development of the dispenser understands that when it comes to deep space cuisine, the food astronauts eat is so much more than just fuel to keep them alive.
“Food doesn’t just provide body nourishment but also soul nourishment,” said Shaun Glasgow, project manager at Marshall. “So ultimately this device will help provide that little piece of soul nourishment. After a long day, the crew can float back and enjoy some pasta or scrambled eggs, a small sense of normalcy in a place far from home.”
As NASA continues to innovate and push the boundaries of deep space exploration, devices like the compact, lightweight dispenser demonstrate a blend of practicality and ingenuity that will help humanity chart its path to the Moon, Mars, and beyond.
An engineer demonstrates the use of the Mini Potable Water Dispenser by rehydrating a food pouch during a testing session at Johnson Space Center on June 6, 2024. This compact, lightweight dispenser is designed to help astronauts prepare meals in deep space.NASA/David DeHoyos A close-up view of the Mini Potable Water Dispenser prototype during a testing demonstration at NASA’s Johnson Space Center on June 6, 2024.NASA/David DeHoyos NASA food scientists rehydrate a food pouch during a test of the Mini Potable Water Dispenser at Johnson Space Center on June 6, 2024. NASA/David DeHoyos A NASA food scientist captures video of the Mini Potable Water Dispenser during testing at Johnson Space Center.NASA/David DeHoyos Matt Rowell, an engineer from the Marshall Space Flight Center demonstrates the Mini Potable Water Dispenser to NASA food scientists during a testing session.NASA/David DeHoyos Project manager Shaun Glasgow (right) demonstrates the Mini Potable Water Dispenser. NASA/David DeHoyos Brett Montoya, a lead space architect in the Center for Design and Space Architecture at Johnson Space Center, rehydrates a package of food using the Mini Potable Water Dispenser.NASA/David DeHoyos Learn More about Gateway Facebook logo @NASAGateway @NASA_Gateway Instagram logo @nasaartemis Share
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Last Updated Sep 04, 2024 EditorBriana R. ZamoraContactBriana R. Zamorabriana.r.zamora@nasa.govLocationJohnson Space Center Related Terms
Artemis Earth's Moon Exploration Systems Development Mission Directorate Gateway Program Gateway Space Station Johnson Space Center Marshall Space Flight Center Explore More
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By NASA
AMS-02 mounted on the outside of the space station.NASA Visible matter in the form of stars and planets adds up to about five percent of the total known mass of the Universe. The rest is either dark matter, antimatter, or dark energy. The exact nature of these substances is unknown, but the International Space Station’s Alpha-Magnetic Spectrometer or AMS-02 is helping to solve the mystery.
AMS-02 collects data on charged particles from cosmic ray events, which helps scientists understand the origin of those rays and could ultimately reveal whether dark matter and antimatter exist.
To date, the instrument has collected data on about 573 events per second on average – just over 18 billion per year. This high volume of data enables highly precise statistical analyses, and multiple groups of researchers independently process the raw data to ensure accurate results.
Learn more about astrophysics research on the space station.
This view shows the core of AMS-02, a massive magnet that bends particles from space to reveal whether their charge is positive or negative.NASA AMS-02 is the hexagonal shape visible on one of the space station’s trusses, just to the right of the center.NASA Keep Exploring Discover More Topics
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By NASA
Researchers used an interferometer that can precisely measure gravity, magnetic fields, and other forces to study the influence of International Space Station vibrations. Results revealed that matter-wave interference of rubidium gases is robust and repeatable over a period spanning months. Atom interferometry experiments could help create high-precision measurement capabilities for gravitational, Earth, and planetary sciences.
Using ultracold rubidium atoms, Cold Atom Lab researchers examined a three-pulse Mach–Zehnder interferometer, a device that determines phase shift variations between two parallel beams, to understand the influence of space station vibrations. Researchers note that atom sensitivities and visibility degrade due to the vibration environment of the International Space Station. The Cold Atom Lab’s interferometer uses light pulses to create a readout of accelerations, rotations, gravity, and subtle forces that could signify new physics acting on matter. Cold Atom Lab experiments serve as pathfinders for proposed space missions relying on the sustained measurement of wave-matter interference, including gravitational wave detection, dark matter detection, seismology mapping, and advanced satellite navigation.
Read more here.
Researchers developed a novel method to categorize and assess the fitness of each gene in one species of bacteria, N. aromaticavorans. Results published in BMC Genomics state that core metabolic processes and growth-promoting genes have high fitness during spaceflight, likely as an adaptive response to stress in microgravity. Future comprehensive studies of the entire genome of other species could help guide the development of strategies to enhance or diminish microorganism resilience in space missions.
The Bacterial Genome Fitness investigation grows multiple types of bacteria in space to learn more about important processes for their growth. Previous studies of microorganism communities have shown that spaceflight can induce resistance to antibiotics, lead to changes in biofilm formation, and boost cell growth in various species. N. aromaticivorans can degrade certain compounds, potentially providing benefits in composting and biofuel production during deep space missions.
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Researchers burned large, isolated droplets of the hydrocarbon n-dodecane, a component of kerosene and some jet fuels, in microgravity and found that hot flames were followed by a prolonged period of cool flames at lower pressures. Results showed that hot flames were more likely to unpredictably reignite at higher pressures. Studying the burn behavior of hydrocarbons assists researchers in the development of more efficient engines and fuels that reduce fire hazards to ensure crew safety in future long-distance missions.
The Cool Flames investigation studies the low-temperature combustion of various isolated fuel droplets. Cool flames happen in microgravity when certain fuel types burn very hot and then quickly drop to a much lower temperature with no visible flames. This investigation studies several fuels such as pure hydrocarbons, biofuels, and mixtures of pure hydrocarbons to enhance understanding of low-temperature chemistry. Improved knowledge of low-temperature burning could benefit next-generation fuels and engines.
Read more here.
NASA astronaut Shane Kimbrough completing the Multi-user Droplet Combustion Apparatus reconfiguration to the Cool Flames Investigation setup.NASAView the full article
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