SES, in collaboration with leading space technology partners, has successfully demonstrated a bi-directional optical communications link between ground and space through its meoSphere Pathfinder 1 mission, marking an important milestone in the development of the company's next-generation meoSphere network. The achievement…
NASA selected three companies on Wednesday to perform work to develop Ka-band space relay capability concepts that are compatible with current missions in space, ensuring service continuity for existing spacecraft without requiring modifications to their onboard systems. Through this work,…
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Rocket Lab, in the process of buying satellite communications business Iridium, says that its next-gen satellites will handle a 20-fold increase in beams per satellite and an “exponential increase in constellation capacity.” Rocket Lab and Iridium made a joint filing…
As the final two Defense Support Program satellites complete their journey into supersynchronous orbit, we honor more than five decades of service to the Nation and the joint force. From Cold War deterrence to protecting deployed warfighters, DSP provided foundational…
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With Ship 42 and Booster 22 in the final process flow ahead of launch, the ships and boosters for flights 15 and 16 are moving ahead for a needed ramp up in launch rates. Construction is also winding down on the Giga Bay, and…
Telesat is now targeting the start of global operations of its Lightspeed low-Earth-orbit sat constellation service a quarter late to reflect adjusted launch plans for demo sats. Telesat Lightspeed Schedule Slips On Launch Considerations Robert Wall is Executive Editor for…
Kourou, October 30, 2026, 13:05 (GFT) France’s CNES space agency has begun ground qualification for the Callisto reusable rocket demonstrator at the Guiana Space Centre. Its October 29 announcement described a full-scale mockup with six antennas in their flight positions. The week-long communications campaign…
A simulation study reports that a model-free TD3 deep reinforcement learning controller outperforms PID and fuzzy benchmarks in trajectory tracking for an underactuated 2-DOF helicopter. Subject of Research: Deep reinforcement learning control of a 2-DOF helicopter for trajectory tracking Article Title:…
Data and Methods in Astronomy: the news, the names and what changed.
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