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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ESA's Gaia mission is surveying more than a billion stars in our cosmic neighbourhood to chart the history and evolution of our home galaxy, the Milky Way. This video highlights some of the mission's discoveries based on the first 22 months of scanning the sky.
Images/videos:
- Koppelman, Villalobos, Helmi, Kapteyn Astronomical Institute, University of Groningen, The Netherlands
- ESA - European Space Agency
- ESA/Gaia/DPAC, CC BY-SA 3.0 IGO
- Stefan Payne-Wardenaar
- ESA/Hubble, NASA, L. Calçada; CC BY 4.0
- ESA (artist’s impression and composition); Marchetti et al 2018 (star positions and trajectories); NASA/ESA/Hubble (background galaxies), CC BY-SA 3.0 IGO
- ESA/Gaia/DPAC, CC BY-SA 3.0 IGO