Europe's New Planet Hunter: A Final Look at the "Plato" Satellite
The European Space Agency (ESA) is inviting guests to a special event on May 20, 2026. On this day, journalists will have the last opportunity to view the new "Plato" satellite up close. Before the state-of-the-art device is sent into space, it can be viewed in a special cleanroom.
The name "Plato" is an abbreviation for "Planetary Transits and Oscillations of stars." The primary mission of this satellite is the search for distant worlds outside our solar system. With Plato, scientists primarily want to find planets that are similar to our Earth and orbit stars that resemble our Sun.
To discover these distant planets, the satellite uses a very precise technique. It observes the light of stars over a long period. When a planet passes in front of a star, the light dims slightly for a short time. Through these tiny changes, researchers can accurately determine the size and orbit of the distant planets.
The visit to the cleanroom is a rare experience for media representatives. In such a room, the air is extremely clean so that no dust damages the satellite's sensitive cameras and instruments. It is the last chance to see the technology up close before Plato is packed for its journey into space.
With this mission, Europe aims to further expand its leading role in space exploration. Plato is intended to help us answer the fundamental question of whether there are other places in the universe where life might be possible. The data that the satellite will collect will keep astronomers around the world busy for many years.