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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In our Solar System, planets are small and rocky or giant gaseous and icy planets. However, exoplanets can be very different from the neighbouring planets we are used to. Join Davide Gandolfi, Exoplanet Researcher at the University of Turin, and discover how to determine the density and composition of two mysterious exoplanets: KELT-3b and TOI-560c.
This video has been developed in the context of the first ever ESA Education hackathon for secondary students: “Hack an Exoplanet”. This educational activity allows students to use real satellite data to investigate alien worlds and become exoplanet detectives for a day.