Mission Smile: ESA explores Earth's invisible shield
On May 19, 2026, an exciting new journey into space began. The joint European-Chinese space probe "Smile" successfully launched from the European spaceport in Kourou aboard a Vega-C rocket. With this mission, the European Space Agency (ESA) aims to investigate and make visible an important secret of our Earth.
The primary goal of the mission is to better understand Earth's invisible protective shield. This shield, the magnetic field, protects our planet from the so-called solar wind. These are charged particles from the sun that could be dangerous to modern technology and life on Earth. Smile will show for the first time what this protective envelope looks like in action and how it reacts to solar storms.
After launch, the probe initially reached an orbit at an altitude of 700 kilometers. However, the journey to its destination is still long: over the following 25 days, the spacecraft will fire its own engines a total of eleven times. These precise maneuvers are necessary for Smile to reach its final position to optimally observe the interaction between the sun and the Earth.
In addition to new scientific missions, ESA is constantly working on improving its technology. A current example is the upgrade for the Helix rocket engine. Engineers have improved the propulsion unit to increase efficiency. In this process, a small portion of the fuel is burned to generate hot gas that drives the engine's turbines. Such innovations are crucial for the future of European spaceflight.
Anyone wishing to learn more about these projects can soon visit ESA in Germany. From June 10 to 14, 2026, the organization will participate in the International Aerospace Exhibition (ILA) in Berlin. There, experts will present the latest results of the Smile mission and further technological progress to the public.