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
Go to topicThis is a composite image of Jupiter's Great Red Spot and Earth, comparing the size of this well-known Jovian feature with an Earthly reference.
You could fit nearly two and half Earths inside this giant storm which has been raging for hundreds of years in the atmosphere of Jupiter. Earth's diameter is 12 756 kilometres, and the Red Spot measures about 39 000 kilometres by 14 000 kilometres.