https://www.spaceconnectonline.com.au/nasa/3560-biggest-mission-for-europe-s-gaia-space-observatory
Biggest mission for Europe’s Gaia space observatory - Space Connect
Jul 16, 2019 - The European Space Agency (ESA) will perform an ‘orbit change manoeuvere’ on the Gaia space observatory – the biggest operation since the spacecraft was...
gaia space observatorybiggestmissionconnect