The invisible particles and orbital debris shaping our planet's future

Space · Published 18 October 2026 Swipe more like this →

In short: From microscopic aerosols in our atmosphere to massive satellite wreckage in orbit, humanity is grappling with two distinct types of debris. One affects our climate, while the other threatens the very infrastructure of modern life. Scientists are now deploying high-tech solutions to monitor and clear both.

NASA's Glory mission, slated for launch in February 2011, represents a critical leap in atmospheric science. The primary objective of the mission is to enhance our understanding of how the sun interacts with Earth's climate, specifically by observing airborne particles known as aerosols. These particles play a significant role in climate dynamics, and Glory provides the data necessary to model these complex interactions more accurately.

While Glory looks inward at our atmosphere, the UK's Active Debris Removal (UK ADR) mission looks outward at the growing problem of space junk. This world-first national mission aims to protect active satellites that underpin essential services like GPS, weather forecasting, and national security. The UK government has committed more than £60 million to a spacecraft designed to use giant robotic claws to grab two defunct satellites and move them into the atmosphere to burn up by 2032.

The UK ADR mission is a pioneer in the In-orbit Servicing, Assembly and Manufacturing (ISAM) sector, which is predicted to become a billion-dollar industry within the next decade. Unlike current satellites, which are typically single-use, the UK's refuellable spacecraft is designed for future-use, allowing it to sweep space for years. This initiative highlights a shift toward sustainable space management, moving from mere observation to active maintenance of the orbital environment.

The urgency of these missions is underscored by the sheer scale of the orbital threat: hundreds of thousands of tracked debris objects travel at speeds exceeding 17,000 miles an hour. These objects are large enough to damage vital infrastructure, necessitating swift action to ensure that the technologies we rely on for daily connectivity and safety remain functional.

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