Earth's deep structures revealed

Approximately 2,900 kilometers below the Earth's surface, the boundary between the core and the mantle contains structures that remain largely mysterious. Researchers have analyzed more than 2 million seismic records using deep learning to detect very faint seismic signals, revealing six major regions of seismic anomalies.

New insights into Earth's interior

This discovery offers a new window into the depths of the Earth. For a long time, space operations functioned according to a simple model: sending large, powerful satellites to map the planet. However, a single satellite cannot be everywhere at once, and between two passes over the same region, events such as fires, pollution episodes, or methane leaks can occur or disappear.

Climate monitoring demands new strategies

The climate emergency demands a different approach to observing the Earth, emphasizing the need to return more frequently to the right place and at the right time. This challenge, known as "revisit," is being addressed by increasing the number of small satellites in orbit in the form of constellations.

Agile constellations improve monitoring

These lightweight networks provide greater responsiveness, enabling the detection of anomalies more quickly and complementing major space missions to track the evolution of extreme phenomena in real time. The era of isolated large satellites is giving way to that of agile constellations, and climate monitoring has never been more precise.