NASA’s CASALS Makes the Gaps in Forest Mapping an Engineering Problem
Why adaptive laser scanning could make forest structure easier to measure, and why an airborne prototype is still different from an orbital mission.
Explore space through original explanations, source-backed reporting, and practical analysis.
Why adaptive laser scanning could make forest structure easier to measure, and why an airborne prototype is still different from an orbital mission.
ESA’s Prospect testing highlights the difference between reaching below the Moon’s surface and delivering a scientifically trustworthy sample.
ESA’s ultra-wideband demonstrator connects a familiar short-range radio idea with the unfamiliar geometry of lunar exploration.
ESA’s Biomass processing event makes a larger point about Earth observation: an advanced radar is only the beginning of a useful scientific product.
NASA’s experimental rotor-airfoil research explores how a thin atmosphere changes the balance between aerodynamic efficiency and a practical flying system.
ESA’s additional Galileo Second Generation procurement highlights why navigation systems must evolve while remaining useful to existing receivers.
NASA’s recent student CubeSat launch highlights how shared spacecraft designs can support learning, while every assembled vehicle still needs its own verification.
NASA’s communications-loss update illustrates a difficult systems problem: protective software must not prevent the very contact needed to recover a spacecraft.
NASA’s new request for industry information opens a practical discussion about rendezvous, reboost and the limits of servicing an existing orbital observatory.
NASA’s planned powered Earth flybys offer a clear example of how mission trajectories combine gravity, engine burns and a carefully chosen schedule.
NASA’s November update on Swift provides a practical lesson in atmospheric drag, prediction uncertainty and the difference between a forecast and a confirmed event.
Solar Orbiter’s switchback study shows how local particle measurements and remote images can work together to reconstruct an event near the Sun.
NASA’s first TRACERS results explain why paired measurements can distinguish a moving structure from a changing process in Earth’s magnetic environment.
NASA’s ASCENT propulsion experiment asks whether one integrated fluid system can support both rapid maneuvers and efficient, gradual orbit changes.
NASA’s optical-navigation demonstration shows how a spacecraft can compare camera observations with a catalog, and why an angle is only the beginning of an orbit estimate.
NASA’s commercial relay demonstrations highlight two different communication needs: bulk scientific data and the lower-rate messages that keep a mission operable.
The latest sunshade integration update shows how shielding an infrared telescope and generating spacecraft power become one tightly connected design problem.
NASA’s latest Lucy update shows why reaching an asteroid population and completing a close flyby are separate milestones with different engineering demands.
NASA’s recent Voyager 1 update reveals why conserving a few watts on a distant spacecraft is a system problem involving electrical load, temperature and recovery.
A 2026 guide to small-satellite optical links, focusing on acquisition, pointing, atmospheric interruptions and the difference between peak speed and delivered data.
A 2026 guide to spacecraft pointing explains why reaction wheels need sensors, control logic and a way to manage accumulated momentum.
A practical guide to integration, release and first contact explains why reaching orbit is only one stage of a small-satellite mission.
A 2026 guide to ground data systems focuses on timestamps, units, command confirmation and the information chain behind a trustworthy spacecraft status display.
A 2026 guide to identification and tracking explains the relationship between a detected object, its identity and the predicted orbit used for later decisions.
Understanding end-of-mission hardware means examining deployment, power dependence and the assumptions behind a predicted orbital lifetime.
A 2026 guide to commercial small-spacecraft platforms explains the interface work hidden behind phrases such as standard bus and payload-ready.