The new system will provide conjunction data messages “for approximately 1,000 space objects six times a day” during phase 1.0. The Commerce Department announced on Monday that it has begun to beta ...

Phase Four won a U.S. Air Force AFWERX contract in 2021 to test iodine propellant in its electric thrusters. Credit: Phase Four SAN FRANCISCO – Phase Four won a Defense Advanced Research Projects ...

3D spatial tomography estimates the 3D structure of a subject from images taken from multiple directions. On the other hand, newly developed phase-space tomography estimates the plasma phase-space ...

The U.S. Space Force has issued two solicitations for the third phase of the National Security Space Launch program. The service has adopted a dual-lane approach to acquisition under NSSL Phase 3 to ...

Rocket Lab's Electron rocket lifts off on a commercial launch mission in May 2022. The company is one of the emerging rocket companies that could compete for its next phase of National Security Space ...

Phase-space filling: two excitons (X) dressed by Fermi sea of ↑ electrons (red circles) displaced from equilibrium positions (empty circles), in centre an ↑ electron interacting with L exciton is ...