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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Solar Orbiter’s Extreme Ultraviolet Imager (EUI) captured this coronal mass ejection emanating from the Sun on 12 February 2021. At the time, Solar Orbiter was viewing the far side of the Sun, and the eruption is seen towards the left at about -30º latitude (from Earth, it would have appeared towards the right).
The images are taken at the extreme ultraviolet wavelength of 17 nanometres, and show the Sun’s atmosphere, the corona, which exists at a temperature of around one million degrees.