The spacecraft is expected to reach the take-off site at the beginning of May.
The launch is due to take place on aSpaceXFalcon 9 in July.
From L2, it will start investigating the dark universe.

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The agency wants tomap the large-scale structure of the universe.
The company is one ofEuropesleading satellite manufacturers.

In total, more than 80 European companies are involved in the mission.
They include Airbus Defense and Space, which built the telescope the main instrument of the payload module.
Every aspect of this project is a real challenge.
Before its journey, Euclid underwent a rigorous testing program at Thales Alenia Spaces Cannes plant.
Because Euclids performance requirements are so demanding, every aspect of this project is a real challenge.
The temperature, pressure, and humidity will be monitored throughout the journey.
The satellite was then taken by convoy to the port of Savona, Italy.
On arrival, it boarded a ship to Florida.
From there, the journey into the dark universe will truly begin.
Story byThomas Macaulay
Thomas is the managing editor of TNW.
He leads our coverage of European tech and oversees our talented team of writers.
Away from work, he e(show all)Thomas is the managing editor of TNW.
He leads our coverage of European tech and oversees our talented team of writers.
Away from work, he enjoys playing chess (badly) and the guitar (even worse).