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By European Space Agency
High above the Arctic Circle, on the rugged terrain of Andøya, three ESA radionavigation engineers take a rare moment to unwind with a game of shuffleboard. Outside, sheep graze under the shimmering northern lights, a serene backdrop to their demanding mission: test how navigation technologies withstand interference signals. With 100TB of data collected over 5 days, their efforts promise to strengthen the reliability of satellite navigation for the benefit of us all.
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By European Space Agency
Marking another step towards new insights into Earth’s forests and their role in the carbon cycle, ESA’s groundbreaking Biomass satellite has arrived at Europe's Spaceport in French Guiana, to be prepared for liftoff on a Vega-C rocket at the end of April.
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By European Space Agency
At MWC25 Barcelona, the European Space Agency (ESA) unveiled a funding initiative, promoted in partnership with GSMA Foundry, to support projects aimed at integrating satellite and terrestrial networks for seamless connectivity.
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By NASA
Rotor Optimization for the Advancement of Mars eXploration (ROAMX) team members and test stand at NASA Ames Research Center.NASA During 2024-2025, helicopter blades optimized for Mars were tested in the Planetary Aeolian Laboratory (PAL) at NASA Ames Research Center as part of the Rotor Optimization for the Advancement of Mars eXploration (ROAMX) project. The experimental test-chamber of the PAL can be depressurized to create atmospheric air pressures of different planetary bodies such as Mars. The full-scale ROAMX blades were spun in hover configuration up to 4000 RPM at an atmospheric density of Mars (approximately 0.015 kilograms per cubic meter). The Ingenuity blades were also tested in the PAL to compare the performance of the optimized blades against the Ingenuity Mars Helicopter Technology Demonstrator. The test was conducted to validate computational models of the performance of the optimized blades. Simulations show that the optimized ROAMX blades perform significantly better than the Ingenuity blades, allowing helicopters on Mars to fly farther, faster, and carry a science payload. The next phase of testing will occur with higher RPMs and additional collective angles.
Rotor Optimization for the Advancement of Mars eXploration (ROAMX) hover test stand with ROAMX blades installed in the Planetary Aeolian Laboratory (PAL) low-pressure chamber at NASA Ames Research Center.NASAView the full article
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