A jet-like aircraft known as the Celera 500 L has recently been unveiled, an aircraft that could be incredibly environmentally friendly by making short-haul flights possible again without emitting tons of CO2.
Otto Aviation is the company behind the Celera 500 L, a small aircraft that is capable of reducing its aerodynamic drag by 60% thanks to its rounded shapes. The engineers have managed to optimize the airflow along the fuselage so that it does not interrupt the flight and there is less resistance when flying. The plane thus becomes a much more efficient vehicle in its consumption.
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It has a small 500-horsepower engine that consumes 80% less fuel than planes of its size according to Journal Du Geek. The vehicle has been tested in 55 flights and it seems that things are working but... What if the 500 horsepower engine is replaced by a hydrogen battery? Otto Aviation has announced a big change for its prototype. The brand has just partnered with ZeroAvia to replace the current combustion engine with a hydrogen fuel cell. With the latter, the two companies hope that the plane can fly more than 1,500 kilometers.
Swarms of autonomously maneuvering satellites promise to make space operations much more efficient. But they also pose risks of collision with other satellites. For this reason, NASA and SpaceX are joining forces to ensure that the satellites do not collide with each other.
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NASA originally planned to send the Starling mission to an orbital altitude of 555 kilometers. Since SpaceX's Starlink broadband satellites operate in that orbit, the space agency's Ensemble Assessment Risk Analysis (CARA) group advised Starling mission managers to send all four Starling cubesats 10 kilometers higher.
When the Starling mission completes its experiments in six months, a whole series of strategies will be launched that will serve to prevent collisions from occurring, according to SpaceNews. Spacecraft will communicate their positions with ground systems, and ground analysis software will warn satellites that they are in danger of collision, causing them to avoid each other.
"Realizing that these two constellations are close to each other gave us an opportunity to see how we are going to deal with space traffic management in the future, when there are even more spacecraft in low Earth orbit," he said. Howard Cannon, director of NASA's Starling project at NASA Ames Research Center. "How can we avoid collisions given the number of spacecraft that will be up there?"
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