Astronomy
Nancy Grace Roman Space Telescope Technical Briefing: 2.4m Optics, 300-Megapixel Focal Plane, 20 Petabytes
What Roman has demonstrated, what remains modeled, and why out-year funding is the dominant risk.
Astronomy
Space
China's Commercial Space Industry Across LEO, GEO, and Cislunar: Guowang, Qianfan, Reusable Launch, and State-Directed Market Structure
China has filed for nearly 200,000 satellites. Two megaconstellations, zero proven reusable rockets, and a market that isn't quite commercial.
Lunar
Artemis Lunar Base 2026: What the Program Costs, What the Moon Has, and Who Is Winning the Race
Artemis II flew April 2026. The first crewed landing slips to 2028. ISRU is TRL 4. Ice abundance is unconfirmed. China targets 2030.
Astronomy
Displacement Cosmology: The Intra-Singular Information Model
A speculative cosmology model proposing our universe as a black hole interior shaped by spacetime displacement and information flow.
Astronomy
Gravitational Wave Communication: Can You Actually Use Spacetime Ripples to Send a Message?
A lab emitter radiates 10⁻²⁷ watts. LIGO detects black hole mergers at 10⁴⁹ watts. That 76-order gap is why gravitational wave communication is TRL 1.
Astronomy
Nanotechnology Infrared Optics for Astronomy Missions
Metalenz, DARPA ENVision, HWO, PRIMA, T2SL detectors, ALD coatings, and China's germanium ban: nanophotonic IR optics for astronomy assessed in full.