Euclid - The Dark Universe Mission

Euclid - ESA's Dark Universe Mission

Euclid node full image.jpg

Euclid was a Greek Mathmatician known as the 'Father of Geometry". So Euclid makes a fitting name for the European Space Agency's Spacecraft that will map in 3D the positions of up to 2 billion galaxies spread over 10 billion light years of space. The aim of this project is to learn more about the elusive dark matter and dark energy that seems to make up 95% of our Universe. The spacecraft will sit 1.5 million kilometres from Earth in Lagrangian point 2. This is a place where the gravity from the Sun and Earth allow an orbit such that the spacecraft maintains it's relative position to the Sun and Earth.

Set to blast off in 2020 the module that contains the 1.2m telescope and the two main instruments is now being developed. The instruments are a wide field light camera and a near-infrared camera. These should allow Euclid to map the geometry of the galaxies and provide new information on dark energy and dark matter. It is hoped the mission will help explain the puzzling question "Why is the Universe expanding and accelerating it's expansion instead of slowing and collapsing under the gravitational forces from the matter in the Universe?"

You can learn more from ESA. Image by: ESA

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