ESA cluster satellite completes safe re-entry after 24 years in space

The European Space Agency (ESA) is concluding the Cluster mission, with the first of four satellites to safely re-enter Earth’s atmosphere. This marks the end of a mission that has provided 24 years of valuable space data. In January, the satellite’s orbit was adjusted to ensure that the re-entry would target an uninhabited area, reducing risks to humans. Any remaining parts of the spacecraft will fall into the open ocean, ensuring a safe descent. This targeted re-entry follows international space safety protocols, demonstrating ESA’s commitment to the long-term sustainability of space exploration.

24 years of space data

Cluster was launched to study the interaction between the sun and Earth’s magnetic field, and gathering crucial information about space weather. Over two decades, this four-satellite mission has contributed significantly to our understanding of solar winds and their impact on Earth’s atmosphere. Data from the mission has allowed scientists to predict space weather, helping to protect technology on Earth and in orbit from solar storms.

Safe Return and Future Space Exploration

This carefully planned re-entry sets a precedent in space safety. By targeting an area far from populated areas, ESA ensures that any remaining debris will be safely returned to the ocean. Mission leader, ESA Director of Operations Rolf Densing, explained that this was the first targeted re-entry for the Cluster mission, taking sustainability in space a step forward.

ESA continues to push the boundaries of space exploration, prioritising the safety of future missions.

A legacy of success

With the end of Cluster, ESA celebrates both the knowledge gained and the safe completion of its mission. As space activities increase, this return is an important step in ensuring that old spacecraft are safely decommissioned. Cluster’s legacy will live on through the extensive data collected, benefiting future space weather research.