After centuries spent studying the stars, 95% of the cosmos remains unseen – until now. The Euclid satellite is on a mission to illuminate the dark matter that makes up most of our universe. Equipped with a super-high-resolution telescope, Euclid will unveil the secret structures that remain so elusive to scientists – and help us answer how the universe came to be.
Euclid will measure
1.5 billion galaxies
over an area that spans a third of the sky (Euclid Consortium)
A mission lasting
collecting data for over 2,500 scientists spanning more than 15 countries (Euclid Consortium)
Scientists expect to identify
solar system bodies (Euclid Consortium)
The universe is expansive. So is our content.
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The Euclid (satellite) will provide a huge step forward in our understanding of the components of our universe that do not interact with light.
Dr. Will Percival studies the entire Universe, from its beginning after the Big Bang to the way it's changing and evolving today. Percival is a Distinguished Research Chair in Astrophysics and Director of the Waterloo Centre for Astrophysics.
Understanding the dark
The universe is full of mysteries, with 95% hidden from our view. It's made up of two important things: dark matter and dark energy. Dark matter is an unseen form of matter that doesn't interact with light. This mysterious substance plays a vital role in the creation of cosmic structures like galaxies and galaxy clusters. Then there's dark energy, a hypothetical form of energy that physicists propose is the secret fuel and force accelerating the universe's expansion. (European Space Agency)
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