Orbital mechanics can be a bit counter-intuitive. We have to slow down an orbiting space craft to convert kinetic energy for gravitational energy. The orbital altitude is raised at its highest point ...

Nusantara Lima is expected to start work in 2026 after completing a series of checkouts. PT Pasifik Satelit Nusantara (PSN), ...

A SpaceX Starlink Satellite unexpectedly appeared in a high-resolution orbital photograph capturing a secretive Chinese Air ...

The apparent brightness of celestial objects, rather than their proximity, is the primary factor determining observability. Andromeda Galaxy, despite its vast distance, appears significantly brighter ...

Varda's W-3 vehicle, which returned to Earth on May 13, 2025, performed a series of orbital maneuvers ahead of hypersonic ...