The European Space Agency (ESA) is Europe’s gateway to space. Its mission is to shape the development of Europe’s space capability and ensure that investment in space continues to deliver benefits to the citizens of Europe and the world.
Find out more about space activities in our 23 Member States, and understand how ESA works together with their national agencies, institutions and organisations.
Exploring our Solar System and unlocking the secrets of the Universe
Go to topicProtecting life and infrastructure on Earth and in orbit
Go to topicUsing space to benefit citizens and meet future challenges on Earth
Go to topicMaking space accessible and developing the technologies for the future
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The PRETTY (Passive REflecTomeTry and dosimetry) CubeSat will perform slant geometry GNSS reflectometry from in orbit as well as radiation measurements - total ionising dose and single-event effects. This miniature ESA CubeSat is being developed by Beyond Gravity Austria (formerly RUAG Space), the Technical University of Graz, and Seibersdorf Laboratories. PRETTY is scheduled to launch in the second half of 2022.