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EUCLID

EUCLID

Unveiling the secrets of the dark Universe

The Universe expands and accelerates: one of the most exciting challenges of our time is understanding why.

Euclid pittogramma

The Universe expands and accelerates: one of the most exciting challenges of our time is understanding why.

Launch: July 1st 2023

Launch loc.: Cape Canaveral, Florida

Launch vehicle: Falcon 9 SpaceX

Credits: ESA

EUCLID

The mission

Euclid is a mission of the European Space Agency (ESA). It will observe billions of galaxies across the 10 billion-year history of the Universe to reconstruct the three-dimensional distribution of matter in the cosmos and try to understand the mechanism that accelerates its expansion.

Into deep space

On July 28, 2023, four weeks after launch, Euclid reached the Lagrangian point L2.

Measuring Redshifts

Galaxies help us to trace the distribution of matter in the Universe. We can reconstruct a 3D map of galaxies by measuring their distance. To do this, the spectra of galaxies are measured: the emission of known chemical elements (such as hydrogen or oxygen) creates spectral lines that scientists can observe. The wavelengths appear shifted towards higher values ​​than the laboratory ones. This effect is called cosmological “redshift”: it is due to the expansion of the Universe and is directly proportional to the distance of the galaxies from us. This is the way Euclid will measure the redshift of 35 million galaxies.

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Payload

La messa in servizio del veicolo spaziale, la verifica delle prestazioni e la calibrazione iniziale richiedono da un minimo di 3 a un massimo di 6 mesi.

La messa in servizio del veicolo spaziale, la verifica delle prestazioni e la calibrazione iniziale richiedono da un minimo di 3 a un massimo di 6 mesi.

La messa in servizio del veicolo spaziale, la verifica delle prestazioni e la calibrazione iniziale richiedono da un minimo di 3 a un massimo di 6 mesi.

Euclid is an ESA mission. It will performlead an observing campaign to verify how the acceleration mechanism 

changes the expansion history and the three-dimensional distribution of matter
in the Universe.

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