 She worked on the installation of The Very Large Telescope, the largest telescope in the world at the time, in the Atacama Desert in northern Chile.She has worked as an astronomer in the French public university system, and she is a steering committee member of the International Astronomical Union.Merieme Chadid became the first Moroccan as well as the first female French astronomer to reach the heart of Antarctica, and the first to plant an Arab flag (the Moroccan flag) in Antarctica in 2005 when she achieved her first polar expedition to set up a new observatory.