Engenheiros da Nasa alcançam avanço com rotores supersônicos para helicópteros em Marte

08 de maio de 2026

Reportado por IA

Engenheiros do Laboratório de Propulsão a Jato da Nasa testaram com sucesso pás de rotor maiores que giram mais rápido que a velocidade do som sem se fragmentar. O marco, anunciado na quinta-feira, aumenta a capacidade de sustentação em 30 por cento para futuras missões a Marte.

Os testes ocorreram em uma câmara que simulou a fina atmosfera de Marte, onde as pontas dos rotores atingiram Mach 1.08. Engenheiros do JPL e da AeroVironment utilizaram projetos de três e duas pás, sendo que este último corresponde à configuração planejada para a missão SkyFall. Um ventilador dentro da câmara simulou ventos contrários à medida que as velocidades aumentavam, e a equipe observou os resultados de uma sala de controle próxima.

Artemis 2 astronauts begin Earth reentry

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Orion spacecraft from Artemis 2 mission has completed its final maneuver before atmospheric reentry, the most critical phase of the journey. Astronauts Reid Wiseman, Victor Glover, Christina Koch, and Jeremy Hansen face a 13-minute descent at over 40,000 km/h and temperatures above 2,500 degrees, with splashdown planned off San Diego.

NASA repurposes lunar module for nuclear Mars mission

NASA announced on Tuesday that it will pause development of the Gateway lunar space station and repurpose its Power and Propulsion Element for SR-1 Freedom, a nuclear-electric propulsion demonstration mission to Mars launching before the end of 2028. The spacecraft will carry Skyfall helicopters to scout subsurface water ice and landing sites. Officials described the move as leveraging existing hardware to prove nuclear power in deep space.

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Chinese scientists have developed revolutionary software capable of fully simulating the extreme physics of supersonic fuel combustion in just one week. Previously, the same task could take a supercomputer years to complete. It modelled internal dynamics across hundreds of millions of computational cells, more than 20 times the resolution typical of current global research.

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Bavarian space company Isar Aerospace cancelled its latest test flight attempt of the Spectrum carrier rocket from Norway's Andøya spaceport on Thursday, suspecting a leak in a pressure container. This follows an abort on March 25 due to a safety issue. CEO Daniel Metzler promised another attempt soon.

sábado, 09 de maio de 2026, 22:52h

Engenheiros da Nasa alcançam avanço com rotores supersônicos para helicópteros em Marte

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