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First metal part 3D printed in space

Friday, 06 September 2024 07:00
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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

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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. 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.

Managing space debris through space law

Thursday, 05 September 2024 19:41
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Managing space debris through space law
Credit: NASA

It's becoming increasingly crowded in the orbits around Earth that are popular for space travel. And that's not just due to satellites—there's also more waste material, which is compromising safety. Ph.D. candidate Zhuang Tian is conducting research into the legal aspects of discarded space equipment. Whoever leaves debris behind should take responsibility and clean it up.

In the near future, probes with robotic arms will be hovering in orbit. The arms will have four metal tentacles spread out like a spider's legs, ready to catch a discarded satellite where the probes maneuver minutely. It's one of the techniques the company ClearSpace is currently simulating—only on Earth for the time being.

Active debris removal

With his specialization in , legal expert Zhuang Tian is following these developments closely. He will shortly be defending his Ph.D. thesis on the legal aspects of disposal. The specific focus of his research is how companies like ClearSpace and the Japanese company Astroscale are planning on actively removing debris, because there is another option: space equipment that removes itself after use by burning into the atmosphere.

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U.S. Air Force, Johns Hopkins APL Hypersonic Experiment Soars and Collects Vital Data
Launched from Norway, the BOLT-1B experiment collected data about boundary layer transition (the flow of air around the skin of a hypersonic vehicle), which increases hypersonic vehicle drag and aerodynamic heating. That data will be used by researchers to validate new and more accurate modeling and prediction methods during the design of hypersonic vehicles. Credit: Johns Hopkins APL

The Boundary Layer Transition 1B (BOLT-1B) experiment, a joint research project of the U.S.

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A review of humanity's planned expansion between the earth and the moon
Artist's impression of astronauts on the lunar surface, as part of the Artemis Program. Credit: NASA

Between low Earth orbit and the moon, there is a region of space measuring 384,400 km (238,855 mi) wide known as Cislunar space. In the coming decades, multiple space agencies will send missions to this region to support the development of infrastructure that will lead to a permanent human presence on the moon.

This includes orbital and surface habitats, landing pads, surface vehicles, technologies for in-situ resource utilization (ISRU), and other elements that will enable the long-term exploration and development of the lunar surface.

For all parties concerned, Cislunar space holds immense potential in terms of scientific, commercial, and military applications. The vastly increased level of activity on and around the moon makes space domain awareness (SDA)—knowledge of all operations within a region of space—paramount.

It is also necessary to ensure the continued success and utilization of the covered region.

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Artemis IV: Gateway gadget fuels deep space dining
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. Credit: 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 and compared to the International Space Station closer to Earth.

Gateway's propulsion system testing throttles up

Thursday, 05 September 2024 15:14
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Gateway's propulsion system testing throttles up
Credit: NASA

The powerhouse of Gateway, NASA's orbiting outpost around the moon and a critical piece of infrastructure for Artemis, is in the midst of several electric propulsion system tests.

The Power and Propulsion Element (PPE), being manufactured by Maxar Technologies, provides Gateway with power, high-rate communications, and for maneuvers around the moon and to transit between different orbits.

The PPE will be combined with the Habitation and Logistic Outpost (HALO) before the integrated spacecraft's launch, targeted for late 2024 aboard a SpaceX Falcon Heavy. Together, these elements will serve as the hub for early Gateway crewed operations and various science and technology demonstrations as the full Gateway station is assembled around it in the coming years.

In this image, PPE engineers successfully tested the integration of Aerojet Rocketdyne's with Maxar's power procession unit and Xenon Flow Controller.

Provided by NASA

Citation: Gateway's propulsion system testing throttles up (2024, September 5) retrieved 8 September 2024 from https://phys.org/news/2024-09-gateway-propulsion-throttles.html
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Four Galileo satellites

The two new Galileo satellites launched in April have entered service, completing the second of three constellation planes. With every addition to the constellation, the precision, availability and robustness of the Galileo signal is improved. The next launch is planned in the coming weeks and the remaining six Galileo First Generation satellites will join the constellation in the next years.

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