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Timeline

 

< This could be presented as a picture (which is not as accessible to all audiences) or as general text>

The 2010s

Initial proposal...

The 2020s

Concept development and proposal phase.

The 2030s

Detailed design phase

Mission acceptance phase

The 2040s

Launch

Nominal operations

Data processing phase starts

The 2050s

Data processing phase continues

Extended operations phase

 

All-sky projection in Galactic coordinates.
All-sky projection in Galactic coordinates of the star count ratio per square degree between GaiaNIR and Gaia (G-band limit of 20.7th mag giving 1.5 billion Gaia sources).