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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An all-sky view of the 2 057 050 stars from the Tycho-Gaia Astrometric Solution (TGAS), one of the products of the first data release from ESA's Gaia mission. The view also includes 24 320 bright stars from the Hipparcos Catalogue that are not included in Gaia's first data release.
The shape of the Orion constellation is highlighted towards the right edge of the frame, just below the Galactic Plane. Two stellar clusters can be seen towards the left edge of the frame: these are the alpha Persei (Per OB3) and Pleiades open clusters.
The stripes visible in the image reflect the way Gaia scans the sky and the preliminary nature of the first data release.