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low Earth orbit
Trends
- 1New Satellite Engine Could Use Earth's Atmosphere as Fuel▼New Satellite Engine Could Use Earth's Atmosphere to Stay in Orbit Indefinitely
Researchers have developed a satellite propulsion system that collects residual air molecules from the upper atmosphere and uses them as propellant, potentially allowing satellites in low Earth orbit to maintain altitude indefinitely without carrying finite fuel. If proven at scale, the technology could dramatically extend spacecraft lifetimes, cut costs, and reduce space debris, prompting wide discussion among space enthusiasts and engineers.
- 2SpaceX Starship mission reaches low-Earth orbit●SpaceX's latest Starship mission reached low-Earth orbit https://www.engadget.com/2270992/spacexs-latest-starship-missio
SpaceX's latest Starship test flight reached low-Earth orbit, a milestone for the company's next-generation launch system. Engadget reported the achievement, drawing attention to progress in the rocket's development. Commenters discussed what the mission's success means for future deep-space plans and upcoming test flights.
- 3Northrop Grumman delivers 21 satellites for military constellation▼Northrop Grumman delivers 21 data-relay satellites for military constellation
Northrop Grumman has delivered 21 data-relay satellites for a US military constellation, according to SpaceNews. The spacecraft are designed to relay data between military platforms, supporting communications and missile-tracking efforts in orbit. The delivery marks a significant production milestone in the Pentagon's push to build proliferated low-Earth-orbit satellite networks for resilient battlefield connectivity.
- 4SpaceComputer plans first mission from low-Earth to geostationary orbit▼SpaceComputer’s first mission to travel from low-Earth to geostationary orbit
SpaceNews reports that SpaceComputer's first mission will travel from low-Earth orbit to geostationary orbit. The plan marks an ambitious trajectory for the company's debut mission, since most spacecraft launch directly into their operating orbit or start in geostationary transfer orbit. Few details beyond the orbital plan have been released so far, and reactions from the space industry remain limited.
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Starlab, the planned commercial space station being developed by Voyager Space and Airbus, is being discussed as a possible answer to Europe's orbital ambitions once the International Space Station is retired around 2030. The question being raised is whether the station can give European astronauts and researchers continued access to low Earth orbit, and whether Europe should commit to the project or pursue other options.
- 6ESA warns of runaway object growth in low Earth orbit▼ESA’s space environment report warns of “skyrocketing, runaway” objects in low Earth orbit
The European Space Agency has released its annual space environment report, warning that the number of objects in low Earth orbit is increasing at a 'skyrocketing, runaway' pace. The agency cautions that debris from satellite launches, collisions and break-ups is accumulating faster than it can be removed, raising the risk of cascading collisions that could threaten spacecraft and future missions.
- 7Satellite Monitoring Falls Behind Rapid Constellation Buildout▼Accelerated Constellation Construction Makes Satellite Monitoring a Short Board in the Industry
The rapid acceleration of satellite constellation construction worldwide has exposed satellite monitoring as a weak link in the industry. As more satellites are launched into low Earth orbit, the ability to track, manage and monitor them has not kept pace, creating a bottleneck that industry observers say needs urgent attention to avoid congestion and safety risks in orbit.