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Historical person

Yannick Mellier Biography

Historical biography and chronological timeline for Yannick Mellier, based on 6 World History Database records associated with France.

6 records2011–20256 events1 places

Chronological biography

2011

Euclid Selected for Implementation2011
Science / Astronomy · Astronomer · Euclid

Mellier leads the Euclid Consortium as ESA selects Euclid for implementation to investigate cosmic acceleration, dark energy, dark matter and large-scale structure.

2023

Euclid Dark Energy Mission Launch1 July 2023
Science / Astronomy · Astronomer · Euclid

Mellier leads the Euclid Consortium as the spacecraft launches on a mission designed to map cosmic structure and investigate the nature of dark energy.

Euclid First Images Validate Survey CapabilityNovember 2023
Science / Astronomy · Astronomer · Euclid

Mellier oversees the Euclid science consortium as the mission's first public images demonstrate the image quality required for future dark-energy and weak-lensing measurements.

2024

Euclid Dark Universe Survey Begins14 February 2024
Science / Astronomy · Astronomer · Euclid

Mellier leads the scientific consortium as Euclid begins its nominal six-year survey to measure billions of galaxies and trace dark energy over cosmic time.

Euclid First Science Results23 May 2024
Science / Astronomy · Astronomer · Euclid

Mellier presents Euclid's first science papers and performance results, demonstrating that the mission is ready for precision studies of the dark universe.

2025

Euclid First Survey Data Release19 March 2025
Science / Astronomy · Astronomer · Euclid

Mellier's Euclid Consortium releases the mission's first survey data, opening a large galaxy dataset that prepares the way for future dark-energy cosmology analyses.

Titles and roles

Astronomer

Record provenance

This biography is assembled from World History Database records filtered by country and personal-name fields. Exact duplicate display records are removed. The database is an index rather than a complete narrative biography; formal research should verify entries against relevant primary or specialist sources.